Development of Chinese Nationalist air force (1937-1945)
Encyclopedia
The Republic of China Air Force
Republic of China Air Force
The Republic of China Air Force is the aviation branch of the Republic of China Armed Forces. The ROCAF's primary mission is the defense of the airspace over and around Taiwan...

 (ROCAF) was formed by the Kuomintang
Kuomintang
The Kuomintang of China , sometimes romanized as Guomindang via the Pinyin transcription system or GMD for short, and translated as the Chinese Nationalist Party is a founding and ruling political party of the Republic of China . Its guiding ideology is the Three Principles of the People, espoused...

 after the establishment of the Aviation Ministry in 1920. As tensions mounted between the China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 and Imperial Japan in the 1930s, a number of smaller Chinese warlord airforce men and equipment became integrated into the ROCAF in a centralized effort to counter Imperial Japanese military ambitions.

During the Second Sino-Japanese War
Second Sino-Japanese War
The Second Sino-Japanese War was a military conflict fought primarily between the Republic of China and the Empire of Japan. From 1937 to 1941, China fought Japan with some economic help from Germany , the Soviet Union and the United States...

 (1937-1945), the ROCAF participated in attacks on Japanese warships on the eastern front and along the Yangtze river
Yangtze River
The Yangtze, Yangzi or Cháng Jiāng is the longest river in Asia, and the third-longest in the world. It flows for from the glaciers on the Tibetan Plateau in Qinghai eastward across southwest, central and eastern China before emptying into the East China Sea at Shanghai. It is also one of the...

 including interdiction and close-air support for the Battle of Shanghai
Battle of Shanghai
The Battle of Shanghai, known in Chinese as Battle of Songhu, was the first of the twenty-two major engagements fought between the National Revolutionary Army of the Republic of China and the Imperial Japanese Army of the Empire of Japan during the Second Sino-Japanese War...

 in 1937. Initially, the Chinese frontline fighter aircraft were mainly Curtiss Hawk IIs and IIIs and Boeing P-26Cs. These engaged Japanese fighters in many major air battles beginning on14 August 1937, when Imperial Japanese Navy
Imperial Japanese Navy
The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...

 warplanes raided Chienchiao airbase; "814" has thus become known as "Air Force Day". Chinese Boeing P-26/281 fighters engaged Japanese Mitsubishi A5M
Mitsubishi A5M
The Mitsubishi A5M, Japanese Navy designation was "Type 96 carrier-based fighter" was a Japanese carrier-based fighter aircraft. It was the world's first monoplane shipboard fighter and the direct ancestor of the famous Mitsubishi A6M 'Zero'...

 fighters in the world's first dogfight between all-metal monoplane
Monoplane
A monoplane is a fixed-wing aircraft with one main set of wing surfaces, in contrast to a biplane or triplane. Since the late 1930s it has been the most common form for a fixed wing aircraft.-Types of monoplane:...

 fighters. A unique mission in April 1938 saw two Chinese Martin B-10
Martin B-10
The Martin B-10 was the first all-metal monoplane bomber to go into regular use by the United States Army Air Corps, entering service in June 1934...

 bombers fly a mission over Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

, but dropping only anti-war leaflets over the Japanese cities of Nagasaki and Saga
Saga
Sagas, are stories in Old Norse about ancient Scandinavian and Germanic history, etc.Saga may also refer to:Business*Saga DAB radio, a British radio station*Saga Airlines, a Turkish airline*Saga Falabella, a department store chain in Peru...

. It was a war of attrition
War of Attrition
The international community and both countries attempted to find a diplomatic solution to the conflict. The Jarring Mission of the United Nations was supposed to ensure that the terms of UN Security Council Resolution 242 would be observed, but by late 1970 it was clear that this mission had been...

 for the Chinese pilots, as many of their most experienced ace fighter pilots, such as Lieutenant Liu Tsui-Kang and Colonel Kao Chih-Hang, were lost. Six months into the war, which is considered the beginning of World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 in Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

, the Chinese Air Force inventory of frontline American Hawk IIs and IIIss and P-26Cs were superseded by faster and better armed Polikarpov I-15
Polikarpov I-15
The Polikarpov I-15 was a Soviet biplane fighter aircraft of the 1930s. Nicknamed Chaika because of its gulled upper wings, it was operated in large numbers by the Soviet Air Force, and together with the Polikarpov I-16 monoplane, was one of the standard fighters of the Spanish Republicans during...

s and I-16
Polikarpov I-16
The Polikarpov I-16 was a Soviet fighter aircraft of revolutionary design; it was the world's first cantilever-winged monoplane fighter with retractable landing gear. The I-16 was introduced in the mid-1930s and formed the backbone of the Soviet Air Force at the beginning of World War II...

s as support from the Soviet Union
Soviet Union
The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

 grew and American support faded.

Through attrition and loss of their most experienced fighter pilots in the first half of the Second Sino-Japanese War, the Republic of China Air Force ultimately suffered irreversible losses in combat against the Japanese
Empire of Japan
The Empire of Japan is the name of the state of Japan that existed from the Meiji Restoration on 3 January 1868 to the enactment of the post-World War II Constitution of...

, and by the beginning of 1942 the ROCAF was practically annihilated by Japanese aircraft, particularly with the introduction of the Mitsubishi A6M Zero. The ROCAF was eventually supplemented with the establishment of the American Volunteer Group
American Volunteer Group
The American Volunteer Groups were volunteer air units organized by the United States government to aid the Nationalist government of China against Japan in the Second Sino-Japanese War...

 (known as the "Flying Tigers") with heavily armed and armored Curtiss P-40
Curtiss P-40
The Curtiss P-40 Warhawk was an American single-engine, single-seat, all-metal fighter and ground attack aircraft that first flew in 1938. The P-40 design was a modification of the previous Curtiss P-36 Hawk which reduced development time and enabled a rapid entry into production and operational...

 Warhawks, and subsequently rebuilt each year following Imperial Japan's attack on Pearl Harbor
Pearl Harbor
Pearl Harbor, known to Hawaiians as Puuloa, is a lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. Much of the harbor and surrounding lands is a United States Navy deep-water naval base. It is also the headquarters of the U.S. Pacific Fleet...

 with new aid and vigor from the United States.

The Sino-Japanese War started on 7 July 1937. At that time, Chinese sources estimated the Japanese could field approximately 600 aircraft (from a total of 1,530) against China’s 230 combat aircraft. During the first phase up to 1939, aerial bombing of enemy bomber formations was tried with indifferent results, and leaflet-dropping raids carried out over Japanese cities.

The Japanese bombing raids were also fiercely contested, sometimes with significant Japanese losses. After suffering heavy losses in the Battle of Wuhan
Battle of Wuhan
The Battle of Wuhan, popularly known to the Chinese as the Defence of Wuhan, and to the Japanese as the Capture of Wuhan, was a large-scale battle of the Second Sino-Japanese War...

 in October 1938, most air force units were withdrawn for reorganisation and training.

The ROC Air Force was reconstituted into seven Groups, one separate Squadron and four Volunteer Groups. In 1940, the Russian Volunteer Group was stood down. By the end of 1941, the air force had 364 operational aircraft. Up to 100 of these were P-40Bs operated by the American Volunteer Group
American Volunteer Group
The American Volunteer Groups were volunteer air units organized by the United States government to aid the Nationalist government of China against Japan in the Second Sino-Japanese War...

. U.S. replacement aircraft began to arrive in March 1942. They included A-29
Lockheed Hudson
The Lockheed Hudson was an American-built light bomber and coastal reconnaissance aircraft built initially for the Royal Air Force shortly before the outbreak of the Second World War and primarily operated by the RAF thereafter...

s, P-40s, P-43s, and P-66s, and in 1945 B-25s, B-17s, and P-51Bs and -Ds.

In 1944, the USAAF U.S. 15th Air Force commenced joint operations in the China theatre. By this time the Chinese Air Force was mostly equipped with current operational aircraft types and was superior in all respects to the opposing Japanese air forces which remained.

Some of the operational units of the Chinese Airforce 1937-45

  • 1st Group, (bombers), Tupolev ANT 40 SB III, VI
    Tupolev SB
    The Tupolev ANT-40, also known by its service name Tupolev SB , and development co-name TsAGI-40, was a high speed twin-engined three-seat monoplane bomber, first flown in 1934....

    , North American B-25 Mitchell, Northrop Gamma
    Northrop Gamma
    -See also:-References:NotesBibliography* Eden, Paul and Soph Moeng. The Complete Encyclopedia of World Aircraft. London: Amber Books Ltd., 2002. ISBN 0-7607-3432-1....

     2E, Northrop A-17
    Northrop A-17
    The Northrop A-17, a development of the Northrop Gamma 2F was a two seat, single engine, monoplane, attack bomber built in 1935 by the Northrop Corporation for the US Army Air Corps.-Development and design:...

  • 2nd Group, (bombers), Tupolev ANT 40 SB III
    Tupolev SB
    The Tupolev ANT-40, also known by its service name Tupolev SB , and development co-name TsAGI-40, was a high speed twin-engined three-seat monoplane bomber, first flown in 1934....

    , Northrop Gamma
    Northrop Gamma
    -See also:-References:NotesBibliography* Eden, Paul and Soph Moeng. The Complete Encyclopedia of World Aircraft. London: Amber Books Ltd., 2002. ISBN 0-7607-3432-1....

     2E, Northrop A-17
    Northrop A-17
    The Northrop A-17, a development of the Northrop Gamma 2F was a two seat, single engine, monoplane, attack bomber built in 1935 by the Northrop Corporation for the US Army Air Corps.-Development and design:...

    , 19 A-29
    Lockheed Hudson
    The Lockheed Hudson was an American-built light bomber and coastal reconnaissance aircraft built initially for the Royal Air Force shortly before the outbreak of the Second World War and primarily operated by the RAF thereafter...

    , 8 Avro 627 China built domestically as scout-bombers at Guangxi
    Guangxi
    Guangxi, formerly romanized Kwangsi, is a province of southern China along its border with Vietnam. In 1958, it became the Guangxi Zhuang Autonomous Region of the People's Republic of China, a region with special privileges created specifically for the Zhuang people.Guangxi's location, in...

    • 30th Squadron: 20 Fiat BR.3
  • 6th Group, (light bombers/scout-bombers), 21 O3U/V-92C
    O2U Corsair
    |-References:NotesBibliography* Eden, Paul and Soph Moeng. The Complete Encyclopedia of World Aircraft. London: Amber Books Ltd., 2002. ISBN 0-7607-3432-1....

    , Douglas O-2
    Douglas O-2
    The Douglas O-2 is a 1920s American observation aircraft built by the Douglas Aircraft Company.-Development:The important family of Douglas observation aircraft sprang from two XO-2 prototypes, the first of which was powered by the 420 hp Liberty V-1650-1 V-engine and test-flown in the autumn...

    MC
  • 7th Group, (light bombers/scout-bombers), 42 O2U Corsair
    O2U Corsair
    |-References:NotesBibliography* Eden, Paul and Soph Moeng. The Complete Encyclopedia of World Aircraft. London: Amber Books Ltd., 2002. ISBN 0-7607-3432-1....

    , Douglas O-2
    Douglas O-2
    The Douglas O-2 is a 1920s American observation aircraft built by the Douglas Aircraft Company.-Development:The important family of Douglas observation aircraft sprang from two XO-2 prototypes, the first of which was powered by the 420 hp Liberty V-1650-1 V-engine and test-flown in the autumn...

    MC
  • 8th Group, (bombers), 2 Northrop Alpha 4 (converted locally to scout-bombers), 30 Ilyushin DB-3
    Ilyushin DB-3
    The Ilyushin DB-3 was a Soviet bomber aircraft of World War II. It was a twin-engined, low-wing monoplane that first flew in 1935. It was the precursor of the Ilyushin Il-4...

     (later into the Composite Group), Consolidated B-24 Liberator, B-25 Mitchell, Boeing B-17 Flying Fortress
    • 10th Squadron: 10 Savoia-Marchetti S.72
      Savoia-Marchetti S.72
      -External Links:* various rare photos. note - statement that S.72 was sent to Ethiopia is untrue...

      , 6 Caproni Ca.111
      Caproni Ca.111
      The Caproni Ca.111 was a long-range reconnaissance aircraft and light bomber produced in Italy during the 1930s. It was a derivative of the Ca.101.-Design and development:...

    • 19th Squadron: 6 Heinkel He 111
      Heinkel He 111
      The Heinkel He 111 was a German aircraft designed by Siegfried and Walter Günter in the early 1930s in violation of the Treaty of Versailles. Often described as a "Wolf in sheep's clothing", it masqueraded as a transport aircraft, but its purpose was to provide the Luftwaffe with a fast medium...

      , 6 Tupolev TB-3
      Tupolev TB-3
      The Tupolev TB-3 was a heavy bomber aircraft which was deployed by the Soviet Air Force in the 1930s and during World War II. It was the world's first cantilever wing four-engine heavy bomber. Despite obsolescence and being officially withdrawn from service in 1939, TB-3 performed bomber and...

    • 30th Squadron: 6 Martin B-10
      Martin B-10
      The Martin B-10 was the first all-metal monoplane bomber to go into regular use by the United States Army Air Corps, entering service in June 1934...

  • 12th Group, (bombers)
  • 10th Squadron, (bombers), 4 Vultee A-19
    Vultee A-19
    The Vultee V-11 and V-12 were American attack aircraft of the 1930s. Developments of the Vultee V-1 single-engined airliner, the V-11 and V-12 were purchased by several nation's armed forces, including China, who used them in combat against Japanese forces in the Second Sino-Japanese War...

  • 3rd Group, (fighters) Fiat CR.30, 9 Avro 626, Polikarpov E.15bis
    Polikarpov I-15
    The Polikarpov I-15 was a Soviet biplane fighter aircraft of the 1930s. Nicknamed Chaika because of its gulled upper wings, it was operated in large numbers by the Soviet Air Force, and together with the Polikarpov I-16 monoplane, was one of the standard fighters of the Spanish Republicans during...

    , E.15ter (E.15III, E.153)
    Polikarpov I-153
    The Russian Polikarpov I-153 Chaika was a late 1930s Soviet biplane fighter. Developed as an advanced version of the I-15 with a retractable undercarriage, the I-153 fought in the Soviet-Japanese combats in Mongolia and was one of the Soviet's major fighter types in the early years of the Second...

    , and E.16
    Polikarpov I-16
    The Polikarpov I-16 was a Soviet fighter aircraft of revolutionary design; it was the world's first cantilever-winged monoplane fighter with retractable landing gear. The I-16 was introduced in the mid-1930s and formed the backbone of the Soviet Air Force at the beginning of World War II...

    , P-40C
    Curtiss P-40
    The Curtiss P-40 Warhawk was an American single-engine, single-seat, all-metal fighter and ground attack aircraft that first flew in 1938. The P-40 design was a modification of the previous Curtiss P-36 Hawk which reduced development time and enabled a rapid entry into production and operational...

    , P-51D, P-36 Hawk, 36 Gloster Gladiator
    Gloster Gladiator
    The Gloster Gladiator was a British-built biplane fighter. It was used by the Royal Air Force and the Royal Navy and was exported to a number of other air forces during the late 1930s. It was the RAF's last biplane fighter aircraft and was rendered obsolete by newer monoplane designs even as it...

     Mk-1, P-66 Vanguard
    • 8th Squadron (fighters), 9 Fiat CR.32
      Fiat CR.32
      The Fiat CR.32 was an Italian biplane fighter used in the Spanish Civil War and World War II. This nimble little Fiat was compact, robust and highly manoeuvrable and gave impressive displays all over Europe in the hands of the Pattuglie Acrobatiche. The CR.32 fought in North and East Africa, in...

    • 17th Squadron (fighters), 11 Boeing
      Boeing
      The Boeing Company is an American multinational aerospace and defense corporation, founded in 1916 by William E. Boeing in Seattle, Washington. Boeing has expanded over the years, merging with McDonnell Douglas in 1997. Boeing Corporate headquarters has been in Chicago, Illinois since 2001...

       Type 281 (P-26 Peashooter
      P-26 Peashooter
      The American Boeing P-26 Peashooter, was the first all-metal production fighter aircraft and the first pursuit monoplane used by the United States Army Air Corps...

      )
    • 28th Squadron (fighters), Gloster Gladiator
      Gloster Gladiator
      The Gloster Gladiator was a British-built biplane fighter. It was used by the Royal Air Force and the Royal Navy and was exported to a number of other air forces during the late 1930s. It was the RAF's last biplane fighter aircraft and was rendered obsolete by newer monoplane designs even as it...

       Mk-1
    • 29th Squadron (fighters), Gloster Gladiator Mk-1
    • 32nd Squadron (fighters), Gloster Gladiator Mk-1
  • 4th Group, (fighters) Curtiss (Hawk III
    BF2C Goshawk
    -External links:*** Popular Science, July 1934...

    ), Polikarpov E.15bis
    Polikarpov I-15
    The Polikarpov I-15 was a Soviet biplane fighter aircraft of the 1930s. Nicknamed Chaika because of its gulled upper wings, it was operated in large numbers by the Soviet Air Force, and together with the Polikarpov I-16 monoplane, was one of the standard fighters of the Spanish Republicans during...

    , E.15ter (E.15III, E.153)
    Polikarpov I-153
    The Russian Polikarpov I-153 Chaika was a late 1930s Soviet biplane fighter. Developed as an advanced version of the I-15 with a retractable undercarriage, the I-153 fought in the Soviet-Japanese combats in Mongolia and was one of the Soviet's major fighter types in the early years of the Second...

     and E.16
    Polikarpov I-16
    The Polikarpov I-16 was a Soviet fighter aircraft of revolutionary design; it was the world's first cantilever-winged monoplane fighter with retractable landing gear. The I-16 was introduced in the mid-1930s and formed the backbone of the Soviet Air Force at the beginning of World War II...

    , P-40
    Curtiss P-40
    The Curtiss P-40 Warhawk was an American single-engine, single-seat, all-metal fighter and ground attack aircraft that first flew in 1938. The P-40 design was a modification of the previous Curtiss P-36 Hawk which reduced development time and enabled a rapid entry into production and operational...

    , 41 P-43 Lancer
    P-43 Lancer
    The Republic P-43 Lancer was a single-engine, all-metal, low-wing monoplane fighter aircraft built by Republic, first delivered to the United States Army Air Corps in 1940. A proposed development was the P-44 Rocket. While no world-beater as a fighter, the P-43A had a very good high-altitude...

    • 22nd Squadron (fighters): 9 Curtiss 68C Hawk III (F11C-3)
  • 5th Group, (fighters), Polikarpov E.15bis
    Polikarpov I-15
    The Polikarpov I-15 was a Soviet biplane fighter aircraft of the 1930s. Nicknamed Chaika because of its gulled upper wings, it was operated in large numbers by the Soviet Air Force, and together with the Polikarpov I-16 monoplane, was one of the standard fighters of the Spanish Republicans during...

    , E.15ter (E.15III, E.153)
    Polikarpov I-15
    The Polikarpov I-15 was a Soviet biplane fighter aircraft of the 1930s. Nicknamed Chaika because of its gulled upper wings, it was operated in large numbers by the Soviet Air Force, and together with the Polikarpov I-16 monoplane, was one of the standard fighters of the Spanish Republicans during...

    , P-40N
    Curtiss P-40
    The Curtiss P-40 Warhawk was an American single-engine, single-seat, all-metal fighter and ground attack aircraft that first flew in 1938. The P-40 design was a modification of the previous Curtiss P-36 Hawk which reduced development time and enabled a rapid entry into production and operational...

    , P-51D
    P-51 Mustang
    The North American Aviation P-51 Mustang was an American long-range, single-seat fighter and fighter-bomber used during World War II, the Korean War and in several other conflicts...

    , P-66 Vanguard
    • 17th Squadron (fighters), 12 Dewoitine D.510
    • 28th Squadron (fighters), 49 Curtiss Hawk-II (F11C-2)
  • 9th Group, (fighters) 120 Curtiss 68C Hawk III (F11C-3), 20 A-12 Shrike
    A-12 Shrike
    |-See also:-References:NotesBibliography* Eden, Paul and Soph Moeng, eds. The Complete Encyclopedia of World Aircraft. London: Amber Books Ltd., 2002, ISBN 0-7607-3432-1....

    • 26th Squadron A-12 Shrike
      A-12 Shrike
      |-See also:-References:NotesBibliography* Eden, Paul and Soph Moeng, eds. The Complete Encyclopedia of World Aircraft. London: Amber Books Ltd., 2002, ISBN 0-7607-3432-1....

    • 27th Squadron A-12 Shrike
  • 11th Group, (fighters), P-40N
    Curtiss P-40
    The Curtiss P-40 Warhawk was an American single-engine, single-seat, all-metal fighter and ground attack aircraft that first flew in 1938. The P-40 design was a modification of the previous Curtiss P-36 Hawk which reduced development time and enabled a rapid entry into production and operational...

  • Russian Volunteer Group, (pursuit), Polikarpov E.15bis
    Polikarpov I-15
    The Polikarpov I-15 was a Soviet biplane fighter aircraft of the 1930s. Nicknamed Chaika because of its gulled upper wings, it was operated in large numbers by the Soviet Air Force, and together with the Polikarpov I-16 monoplane, was one of the standard fighters of the Spanish Republicans during...

    , E.15ter (E.15III, E.153)
    Polikarpov I-15
    The Polikarpov I-15 was a Soviet biplane fighter aircraft of the 1930s. Nicknamed Chaika because of its gulled upper wings, it was operated in large numbers by the Soviet Air Force, and together with the Polikarpov I-16 monoplane, was one of the standard fighters of the Spanish Republicans during...

     and E.16
    Polikarpov I-16
    The Polikarpov I-16 was a Soviet fighter aircraft of revolutionary design; it was the world's first cantilever-winged monoplane fighter with retractable landing gear. The I-16 was introduced in the mid-1930s and formed the backbone of the Soviet Air Force at the beginning of World War II...

  • Russian Volunteer Group, (bombers), Ilyushin DB-3
    Ilyushin DB-3
    The Ilyushin DB-3 was a Soviet bomber aircraft of World War II. It was a twin-engined, low-wing monoplane that first flew in 1935. It was the precursor of the Ilyushin Il-4...

    , Polikarpov R-5
    Polikarpov R-5
    The Polikarpov R-5 was a Soviet reconnaissance bomber aircraft of the 1930s. It was the standard light bomber and reconnaissance aircraft with the Soviet Air Force for much of the 1930s, while also being used heavily as a civilian light transport, in the order of 7,000 being built in...

     Scout-bombers
  • American Volunteer Group 'Flying Tigers', (fighters), P-40B, P-40E
  • Composite Group
  • Temporary Organised Group-Air Cadet Flying School.(Fighter), Curtiss 68C Hawk III (F11C-3)
  • 12th Squadron (Reconnaissance): 9 P-38/F-5
  • 13th Squadron (bombers & transports): 3 Savoia-Marchetti SM.81
    Savoia-Marchetti SM.81
    The Savoia-Marchetti SM.81 Pipistrello was a three-engine bomber/transport aircraft serving in the Italian Regia Aeronautica during World War II...

    , 1 Spartan Executive
    Spartan Executive
    |-Military Operators:* Royal Canadian Air Force3 Examples based in Montreal, formerly Royal Air Force examples used in California.*Chinese Nationalist Air ForceThe second prototype was exported to China and serialed 1309...

     Model 7W (lost on Dec 12, 1937).
  • 14th International Volunteer Squadron (bombers): 20+ Vultee A-19
    Vultee A-19
    The Vultee V-11 and V-12 were American attack aircraft of the 1930s. Developments of the Vultee V-1 single-engined airliner, the V-11 and V-12 were purchased by several nation's armed forces, including China, who used them in combat against Japanese forces in the Second Sino-Japanese War...

    , Northrop Gamma 2E
    Northrop Gamma
    -See also:-References:NotesBibliography* Eden, Paul and Soph Moeng. The Complete Encyclopedia of World Aircraft. London: Amber Books Ltd., 2002. ISBN 0-7607-3432-1....

    , Northrop A-17
    Northrop A-17
    The Northrop A-17, a development of the Northrop Gamma 2F was a two seat, single engine, monoplane, attack bomber built in 1935 by the Northrop Corporation for the US Army Air Corps.-Development and design:...

    , 3 Martin B-10
    Martin B-10
    The Martin B-10 was the first all-metal monoplane bomber to go into regular use by the United States Army Air Corps, entering service in June 1934...

  • 15th Squadron (dive bombers): 10 Henschel Hs 123
    Henschel Hs 123
    The Henschel Hs 123 was a single-seat biplane dive bomber and close-support attack aircraft flown by the German Luftwaffe during the Spanish Civil War and the early to mid-point of World War II...

  • 18th Squadron (Scout-bombers): Caproni Ca.101
    Caproni Ca.101
    |-See also:-References:* Lembo, Daniele, Ca.101/102, Aerei Nella Storia magazine, Westward editions, n.42 pagg.23-29.-External links:* * Illustration...

     and Douglas O-2
    Douglas O-2
    The Douglas O-2 is a 1920s American observation aircraft built by the Douglas Aircraft Company.-Development:The important family of Douglas observation aircraft sprang from two XO-2 prototypes, the first of which was powered by the 420 hp Liberty V-1650-1 V-engine and test-flown in the autumn...

    MC; originally stationed at Guangdong
    Guangdong
    Guangdong is a province on the South China Sea coast of the People's Republic of China. The province was previously often written with the alternative English name Kwangtung Province...

    , later changed to fighters with Curtiss Hawk 75M.
  • 27th Squadron (light bombers): 9 Bellanca 28-90
    Bellanca 28-90
    |-References:NotesBibliography* Taylor, Michael J.H. Jane's Encyclopedia of Aviation. London: Studio Editions, 1989* Underwood, John. "A Racer for Ireland, Bombers for Spain." Air Classics Vol. 11, no. 10, October 1975.-External links:* *...

    B
  • 29th Squadron (fighters): 6 Breda Ba.27
    Breda Ba.27
    |-See also:-External links:...

  • 32nd Squadron (fighters): Nakajima Type 91 figher
  • 34th Squadron (fighters and bombers): 14 Armstrong Whitworth Atlas
    Armstrong Whitworth Atlas
    |-See also:-External links:* *...

    , 6 Westland Wapiti
    Westland Wapiti
    The Westland Wapiti was a British two-seat general purpose military single-engined biplane of the 1920s. It was designed and built by Westland Aircraft Works to replace the Airco DH.9A in Royal Air Force service....

    , Mitsubishi Type 92
    Mitsubishi 2MR8
    -References:NotesBibliography* Andersson, Lennart. A History of Chinese Aviation: Encyclopedia of Aircraft and Aviation in China until 1949. Taipei, Taiwan: AHS of ROC, 2008. ISBN 978-957-28533-3-7....

    .
  • 41st French Volunteer Squadron (fighters): 6 Dewoitine D.510
  • 20 Focke-Wulf Fw 44
    Focke-Wulf Fw 44
    -External links:* * * * * * *...

     of various units
  • 30+ de Havilland Gipsy Moth of various units, including 13 seaplane versions of Chinese navy. (All lost by the end of 1937).
  • Central Aviation School (trainers): 16 Armstrong Whitworth A.W.16
    Armstrong Whitworth A.W.16
    -External links:* *...

    , also used as fighters in the early stage of the Second Sino-Japanese War
    Second Sino-Japanese War
    The Second Sino-Japanese War was a military conflict fought primarily between the Republic of China and the Empire of Japan. From 1937 to 1941, China fought Japan with some economic help from Germany , the Soviet Union and the United States...

    .
  • Luoyang
    Luoyang
    Luoyang is a prefecture-level city in western Henan province of Central China. It borders the provincial capital of Zhengzhou to the east, Pingdingshan to the southeast, Nanyang to the south, Sanmenxia to the west, Jiyuan to the north, and Jiaozuo to the northeast.Situated on the central plain of...

     Aviation School (trainers): Breda Ba.25
    Breda Ba.25
    |-See also:-External links:**...

    , Ba.28
  • Liuzhou
    Liuzhou
    -History:thumb|Liuchow in 1945.Liuzhou has a history of more than 2,100 years. The city was founded in 111 B.C. when it was known as Tanzhong....

     Aviation School (trainers): Around 20 Avro Avian
    Avro Avian
    The Avro Avian was a series of British light aircraft designed and built by Avro in the 1920s and '30s. While the various versions of the Avian were sound aircraft, they were comprehensively outsold by the de Havilland Moth and its descendants....

    (616 IVM), 6 Avro Cadet
    Avro Cadet
    |-See also:-External links:**...

    , 5 Avro Tutor, 7 Nakajima
    Nakajima Aircraft Company
    The Nakajima Aircraft Company was a prominent Japanese aircraft manufacturer throughout World War II.-History:...

     Ko-4 (Japanese license produced Nieuport 28
    Nieuport 28
    |-See also:-Bibliography:* Cheesman E.F. Fighter Aircraft of the 1914-1918 War. Letchworth, UK: Harleyford Publications, 1960, pp. 98–99....

    C.1)
  • 3rd Reserve Squadron: 5 Loening
    Loening Aircraft Engineering
    Loening Aeronautical Engineering Corporation was founded 1917 by Grover Loening and produced early aircraft and amphibious aircraft from 1917. When it merged with Keystone Aircraft Corporation in 1928, some of its engineers left to form Grumman...

     C-2-H (Seaplane version of Loening
    Loening Aircraft Engineering
    Loening Aeronautical Engineering Corporation was founded 1917 by Grover Loening and produced early aircraft and amphibious aircraft from 1917. When it merged with Keystone Aircraft Corporation in 1928, some of its engineers left to form Grumman...

     OA-1
    Loening OL
    |-See also:-References:* John Andrade, U.S.Military Aircraft Designations and Serials since 1909, Midland Counties Publications, 1979, ISBN 0-904597-22-9...

    )
  • Aerial Survey Squadron: 1 Spartan C-4, 1 Messerschmitt
    Messerschmitt
    Messerschmitt AG was a famous German aircraft manufacturing corporation named for its chief designer, Willy Messerschmitt, and known primarily for its World War II fighter aircraft, notably the Bf 109 and Me 262...

     BFW M18d, Junkers W 33
    Junkers W 33
    The Junkers W 33 was a German-built singled-engine transport aircraft. It was aerodynamically and structurally advanced for its time , a clean, low-wing all metal cantilever monoplane. Almost 200 were produced...

    , Junkers W 34

Notable aerial combat aces in the Chinese air force in first phase of War of Resistance/World War II

  • Wang Banyang: 13 victories a.k.a. John Wong (American born Chinese air force volunteer)
  • Liu Zhesheng: 11-1/3 victories
  • Yuan Baokang: 8 victories
  • Gao Wuxin: 8 victories
  • Chen Ruitian (a.k.a. Arthur Chin
    Arthur Chin
    Major Arthur Chin was an American pilot and a Second Sino-Japanese War fighter ace.-Biography:Chin was born in Portland, Oregon to a Chinese father of Cantonese origin and a Caucasian mother of Peruvian background. Motivated by the Japanese invasion of China, Chin enrolled in flight school in 1932...

    ) 7 victories (American born Chinese air force volunteer)
  • Liu Cuigang: 7 victories

List of official Chinese air force aces

  • Liu Che-Sun (柳哲生):9
  • Wang Kuang-Fu (王光復):8
  • Kao Yo-Shin (高又新):8
  • Liu Tsu-Gan (劉粹剛):7
  • Tsang Shi-Lan (臧錫蘭):7
  • Hwang Shin-Yui, Baffallo (黃新瑞):6
  • Chen Shui-Tin, Arthur (陳瑞鈿):8
  • Tang Kuan (譚鯤):5 or 6
  • Yu Yi-Chin (樂以琴):5
  • Chow Chi-Kai (周志開):5
  • Lo Ying-Te (羅英德):5
  • Leng Pei-Su (冷培澍):5
  • Liu Chi-Sheng :10
  • Chow Ting-Fong :6
  • Liu Chui-Kang :7
  • Lu Ji-Chun :5

Soviet Union

From 1937 to the beginning of 1941, the Soviet Union
Soviet Union
The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

 served as the primary supplier to the ROCAF, and from October 1937 to January 1941, a total of 848 aircraft in 13 batches were ordered by the Chinese government and were supplied on credit, worth roughly 200 million dollars. In addition, there were 37 aircraft transferred to Chinese when Soviet force withdrew from China after the signing of Soviet–Japanese Neutrality Pact. These aircraft included 563 fighters, including 252 I-152, 75 I-153
Polikarpov I-153
The Russian Polikarpov I-153 Chaika was a late 1930s Soviet biplane fighter. Developed as an advanced version of the I-15 with a retractable undercarriage, the I-153 fought in the Soviet-Japanese combats in Mongolia and was one of the Soviet's major fighter types in the early years of the Second...

, 132 I-16 Type 10, 75 I-16 Type 17 and rest being I-15 bis, which was not part of the purchase in the 13 batches. Also included were 322 bombers, including 179 SB-2M-100A, 100 SB-2M-103 24 DB-3, 6 TB-3 and 13 SB
Tupolev SB
The Tupolev ANT-40, also known by its service name Tupolev SB , and development co-name TsAGI-40, was a high speed twin-engined three-seat monoplane bomber, first flown in 1934....

 that were not part of the purchase in the 13 batches). Also included in the 13-batch purchase were 5 UT-1 trainers. However, of the 250-300 combat aircraft supplied annually, only a few dozen would survive through the end of the year.

United States

While the USSR
Soviet Union
The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

 provided most of the military aircraft to Chiang Kai-shek
Chiang Kai-shek
Chiang Kai-shek was a political and military leader of 20th century China. He is known as Jiǎng Jièshí or Jiǎng Zhōngzhèng in Mandarin....

 in the late 1930s, many early Chinese aircraft were supplied by the American Curtiss Aeroplane and Motor Company
Curtiss Aeroplane and Motor Company
Curtiss Aeroplane and Motor Company was an American aircraft manufacturer that went public in 1916 with Glenn Hammond Curtiss as president. Throughout the 1920s and 1930s, the company was the largest aircraft manufacturer in the United States...

. In 1937 the Hawk II and Hawk III biplanes comprised the backbone of Chinese fighter aviation. These were soon followed by the Hawk 75 monoplane. The demonstration model Hawk 75N, with non-retractable landing gear was purchased in 1938 and became the personal aircraft of the American advisor to the Aviation Committee, Claire Chennault who oversaw training and lobbied for the procurement of American aircraft.

The entry of the USA into the war with Japan at the end of 1941 led to the receipt of Lend-Lease equipment from the United States, including aircraft. American Lend-Lease aviation equipment had already begun to arrive in China as early as the middle of 1941, though that includes the first shipments before January 1942 which arrived under the guise of purchases. Including previously purchased American aircraft, US soon replaced USSR as the largest supplier for the Chinese Nationalist air force during the war (Including the Second Sino-Japanese War
Second Sino-Japanese War
The Second Sino-Japanese War was a military conflict fought primarily between the Republic of China and the Empire of Japan. From 1937 to 1941, China fought Japan with some economic help from Germany , the Soviet Union and the United States...

 that actually broke out in 1931 when Japan invaded Manchuria). The US aircraft supplied to China in its struggle against the Japanese invaders included: A-12
A-12 Shrike
|-See also:-References:NotesBibliography* Eden, Paul and Soph Moeng, eds. The Complete Encyclopedia of World Aircraft. London: Amber Books Ltd., 2002, ISBN 0-7607-3432-1....

, A-17
Northrop A-17
The Northrop A-17, a development of the Northrop Gamma 2F was a two seat, single engine, monoplane, attack bomber built in 1935 by the Northrop Corporation for the US Army Air Corps.-Development and design:...

, A-19
Vultee A-19
The Vultee V-11 and V-12 were American attack aircraft of the 1930s. Developments of the Vultee V-1 single-engined airliner, the V-11 and V-12 were purchased by several nation's armed forces, including China, who used them in combat against Japanese forces in the Second Sino-Japanese War...

, A-29, B-10
Martin B-10
The Martin B-10 was the first all-metal monoplane bomber to go into regular use by the United States Army Air Corps, entering service in June 1934...

, B-17, B-24
B-24 Liberator
The Consolidated B-24 Liberator was an American heavy bomber, designed by Consolidated Aircraft of San Diego, California. It was known within the company as the Model 32, and a small number of early models were sold under the name LB-30, for Land Bomber...

, B-25
B-25 Mitchell
The North American B-25 Mitchell was an American twin-engined medium bomber manufactured by North American Aviation. It was used by many Allied air forces, in every theater of World War II, as well as many other air forces after the war ended, and saw service across four decades.The B-25 was named...

, B-29
B-29 Superfortress
The B-29 Superfortress is a four-engine propeller-driven heavy bomber designed by Boeing that was flown primarily by the United States Air Forces in late-World War II and through the Korean War. The B-29 was one of the largest aircraft to see service during World War II...

, C-19
C-19 Alpha
The Northrop C-19 Alpha was a series of three aircraft purchased from Northrop by the US Army Air Corps in 1931. They were slightly modified versions of the civil Northrop Alpha Type 2. The major difference between the C-19s and the Alphas was that the civilian version carried a pilot and six...

, C-43
Beechcraft Staggerwing
The Beechcraft Model 17 Staggerwing is an American biplane with an atypical negative stagger , that first flew in 1932.-Development:...

, C-45
Beechcraft Model 18
The Beechcraft Model 18, or "Twin Beech", as it is better known, is a 6-11 seat, twin-engine, low-wing, conventional-gear aircraft that was manufactured by the Beech Aircraft Corporation of Wichita, Kansas...

, C-46
C-46 Commando
The Curtiss-Wright C-46 Commando was a transport aircraft originally derived from a commercial high-altitude airliner design. It was instead used as a military transport during World War II by the United States Army Air Forces as well as the U.S. Navy/Marine Corps under the designation R5C...

, C-47
C-47 Skytrain
The Douglas C-47 Skytrain or Dakota is a military transport aircraft that was developed from the Douglas DC-3 airliner. It was used extensively by the Allies during World War II and remained in front line operations through the 1950s with a few remaining in operation to this day.-Design and...

, C-100 (Gamma 2E light bomber version)
Northrop Gamma
-See also:-References:NotesBibliography* Eden, Paul and Soph Moeng. The Complete Encyclopedia of World Aircraft. London: Amber Books Ltd., 2002. ISBN 0-7607-3432-1....

, Curtiss F11C Goshawk, P-12
Boeing P-12
The Boeing P-12 or F4B was an American pursuit aircraft that was operated by the United States Army Air Corps and United States Navy.-Design and development:...

, P-26
P-26 Peashooter
The American Boeing P-26 Peashooter, was the first all-metal production fighter aircraft and the first pursuit monoplane used by the United States Army Air Corps...

, P-36
P-36 Hawk
The Curtiss P-36 Hawk, also known as the Curtiss Hawk Model 75, was an American-designed and built fighter aircraft of the 1930s and 40s. A contemporary of both the Hawker Hurricane and Messerschmitt Bf 109, it was one of the first of a new generation of combat aircraft—a sleek monoplane design...

, P-38
P-38 Lightning
The Lockheed P-38 Lightning was a World War II American fighter aircraft built by Lockheed. Developed to a United States Army Air Corps requirement, the P-38 had distinctive twin booms and a single, central nacelle containing the cockpit and armament...

, P-40
Curtiss P-40
The Curtiss P-40 Warhawk was an American single-engine, single-seat, all-metal fighter and ground attack aircraft that first flew in 1938. The P-40 design was a modification of the previous Curtiss P-36 Hawk which reduced development time and enabled a rapid entry into production and operational...

, P-43
P-43 Lancer
The Republic P-43 Lancer was a single-engine, all-metal, low-wing monoplane fighter aircraft built by Republic, first delivered to the United States Army Air Corps in 1940. A proposed development was the P-44 Rocket. While no world-beater as a fighter, the P-43A had a very good high-altitude...

, P-47
P-47 Thunderbolt
Republic Aviation's P-47 Thunderbolt, also known as the "Jug", was the largest, heaviest, and most expensive fighter aircraft in history to be powered by a single reciprocating engine. It was heavily armed with eight .50-caliber machine guns, four per wing. When fully loaded, the P-47 weighed up to...

, P-51
P-51 Mustang
The North American Aviation P-51 Mustang was an American long-range, single-seat fighter and fighter-bomber used during World War II, the Korean War and in several other conflicts...

, P-61
P-61 Black Widow
The Northrop P-61 Black Widow was the first operational U.S. military aircraft designed specifically for night interception of aircraft, and was the first aircraft specifically designed to use radar. It was an all-metal, twin-engine, twin-boom design developed during World War II...

, P-66, and PB4Y
PB4Y Privateer
The Consolidated PB4Y-2 Privateer was a World War II and Korean War era patrol bomber of the United States Navy derived from the Consolidated B-24 Liberator. The Navy had been using unmodified B-24s as the PB4Y-1 Liberator, and the type was considered very successful...

.

Retraining on American aircraft occurred for the most part in India. (Karachi and other cities), where Chinese pilots were sent both as groups and as entire units. As early as the end of 1941 Chinese pilots, mainly recently graduated from flight schools, began to be sent to the USA for longer training and mastery of American aircraft.

The first American P-43A fighters were received by the 4th Air Group (21st - 24th Squadrons) in March 1942. They retrained in Kunming, but for the new aircraft the pilots sequentially flew in small groups to India. On 24 April the deputy commander of the 24th Squadron, Wu Zhenhua, crashed on the flight to Kunming
Kunming
' is the capital and largest city of Yunnan Province in Southwest China. It was known as Yunnan-Fou until the 1920s. A prefecture-level city, it is the political, economic, communications and cultural centre of Yunnan, and is the seat of the provincial government...

. On 12 May, Chen Lokun, the flight commander of the 24th Squadron was killed during a training flight, crashing into a tree during landing. In July for unclear reasons the P-43 of the 4th Air Group commander, Zheng Shaoyu, caught fire in the air and the pilot was killed. On 3 August 1942 during a training flight the deputy group commander Chen Sheng crashed. A similar series of crashes accompanied the mastery by the Chinese of almost every new machine. (It is notable that in Chinese sources the family names are given only of the perished commanders of various ranks, while the losses amongst the line pilots are hardly even noted.) Concluding their conversion to the P-43A in early August 1942, the group returned to Chengdu.

In February 1943, preparing for transition to the new American air equipment, the Chinese transferred to India the primary training groups from their flight schools. Only training for reconnaissance and photography continued to be carried out in China. In March 1945 the cadets completing primary training in India were sent to America to train further. By that time the number of cadets dispatched had reached 1224, of whom 384 managed to return to China and participate in combat. In all, from 1942 to 1945 420 training aircraft were sent from the USA to China through India, including 20 AT-6
T-6 Texan
The North American Aviation T-6 Texan was a single-engine advanced trainer aircraft used to train pilots of the United States Army Air Forces, United States Navy, Royal Air Force and other air forces of the British Commonwealth during World War II and into the 1950s...

, 8 AT-7
Beechcraft Model 18
The Beechcraft Model 18, or "Twin Beech", as it is better known, is a 6-11 seat, twin-engine, low-wing, conventional-gear aircraft that was manufactured by the Beech Aircraft Corporation of Wichita, Kansas...

, 15 AT-17
Cessna AT-17
-References:NotesBibliography* Mondey, David. American Aircraft of World War II . London: Bounty Books, 2006. ISBN 978-0-7537-1461-4....

, 150 PT-17, 127 PT-19, 70 PT-22, and 30 BT-13, and also 10 Beechcraft D-17
Beechcraft Staggerwing
The Beechcraft Model 17 Staggerwing is an American biplane with an atypical negative stagger , that first flew in 1932.-Development:...

 medical aircraft.

Domestic assembly

While the modified Hawk 75M with retractable landing gear was created specially for China, it was not widely used in the war against the Japanese, in spite of the fact that 30 aircraft, and 82 kits for assembly were delivered in the summer and autumn of 1938. It was planned to assemble the Hawk in a factory operated by the Central Aircraft Manufacturing Company
Central Aircraft Manufacturing Company
The Central Aircraft Manufacturing Company was the creation of American entrepreneur William D. Pawley, the Curtiss-Wright sales representative in China during the 1930s.-History:...

, which had been evacuated from Hankou
Hankou
Hankou was one of the three cities whose merging formed modern-day Wuhan, the capital of the Hubei province, China. It stands north of the Han and Yangtze Rivers where the Han falls into the Yangtze...

 to Loiwing. The latter location, not far from the Burmese border on the eastern bank of the Ruiluqiang River in Yunnan
Yunnan
Yunnan is a province of the People's Republic of China, located in the far southwest of the country spanning approximately and with a population of 45.7 million . The capital of the province is Kunming. The province borders Burma, Laos, and Vietnam.Yunnan is situated in a mountainous area, with...

 Province, at that time seemed protected from Japanese attacks, but technical difficulties plagued the actual assembly of the Hawk 75 in that location. Although the Japanese had not bombed the factory, only eight machines were assembled by October 1940. The fate of the remaining kits is unknown.

Following the failure of Hawk 75 production, the CAMCO factory planned to organize assembly of the export version of the Curtiss-Wright CW-21 Demon, light fighter. Three aircraft and 32 sets of components were ordered from the USA. The factory at Loiwing worked until April 1942, when on account of Japanese attacks it had to be evacuated to Kunming
Kunming
' is the capital and largest city of Yunnan Province in Southwest China. It was known as Yunnan-Fou until the 1920s. A prefecture-level city, it is the political, economic, communications and cultural centre of Yunnan, and is the seat of the provincial government...

, while its American personnel set up shop in India. From 1943 to 1946 the aircraft factory, which was dispersed in the ravines neighboring Kunming, assembled an experimental series of nine fighter monoplanes, probably from components of the Hawk 75M and 75A-5, and CW-21. To a degree they were similar to the American prototypes and their further fate is unknown. In western sources the first example figures under the strange designation XP-0.

Reference

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