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USS Sway (AM-120)
Encyclopedia
USS Sway (AM-120) was an acquired by the United States Navy
United States Navy
The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...
for the dangerous task of removing mines from minefields laid in the water to prevent ships from passing.
Sway was laid down on 18 November 1941 by John H. Mathis & Company
John H. Mathis & Company
John H. Mathis & Company was a shipbuilding company founded around 1900, based at Cooper Point in Camden, New Jersey, on the Delaware River. At their shipyard at Point and Erie Streets, the company built luxury yachts and also commercial ships. During World War II a variety of Naval vessels were...
, Camden, New Jersey
Camden, New Jersey
The city of Camden is the county seat of Camden County, New Jersey. It is located across the Delaware River from Philadelphia, Pennsylvania. As of the 2010 United States Census, the city had a total population of 77,344...
; launched on 29 September 1942; sponsored by Mrs. W. W. Robinson; and commissioned on 20 July 1943, Lt. Cmdr. H. S. Strauss, USNR, in command.
World War II North Africa operations
Sway conducted her shakedownShakedown (testing)
A shakedown is a period of testing or a trial journey undergone by a ship, aircraft or other craft and its crew before being declared operational. Statistically, a proportion of the components will fail after a relatively short period of use, and those that survive this period can be expected to...
and training along the New England
New England
New England is a region in the northeastern corner of the United States consisting of the six states of Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, and Connecticut...
coast. She then operated from Norfolk
Norfolk, Virginia
Norfolk is an independent city in the Commonwealth of Virginia in the United States. With a population of 242,803 as of the 2010 Census, it is Virginia's second-largest city behind neighboring Virginia Beach....
to New York
New York
New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...
until mid-October. The minesweeper
Minesweeper (ship)
A minesweeper is a small naval warship designed to counter the threat posed by naval mines. Minesweepers generally detect then neutralize mines in advance of other naval operations.-History:...
stood out of Norfolk on 15 October as an escort for convoy
Convoy
A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support, though it may also be used in a non-military sense, for example when driving through remote areas.-Age of Sail:Naval...
UGS-21 en route to Algeria
Algeria
Algeria , officially the People's Democratic Republic of Algeria , also formally referred to as the Democratic and Popular Republic of Algeria, is a country in the Maghreb region of Northwest Africa with Algiers as its capital.In terms of land area, it is the largest country in Africa and the Arab...
. Sway arrived at Oran
Oran
Oran is a major city on the northwestern Mediterranean coast of Algeria, and the second largest city of the country.It is the capital of the Oran Province . The city has a population of 759,645 , while the metropolitan area has a population of approximately 1,500,000, making it the second largest...
on 1 November. Two weeks later, she and escorted a convoy
Convoy
A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support, though it may also be used in a non-military sense, for example when driving through remote areas.-Age of Sail:Naval...
to Naples, Italy. The remainder of November and all of December was spent escorting convoys between Naples, Bizerte
Bizerte
Bizerte or Benzert , is the capital city of Bizerte Governorate in Tunisia and the northernmost city in Africa. It has a population of 230,879 .-History:...
, and Palermo
Palermo
Palermo is a city in Southern Italy, the capital of both the autonomous region of Sicily and the Province of Palermo. The city is noted for its history, culture, architecture and gastronomy, playing an important role throughout much of its existence; it is over 2,700 years old...
. In Naples, in mid-January 1944, Sway and Mine Squadron (MinRon) 6 were attached to an assault force that was to participate in "Operation Shingle
Operation Shingle
Operation Shingle , during the Italian Campaign of World War II, was an Allied amphibious landing against Axis forces in the area of Anzio and Nettuno, Italy. The operation was commanded by Major General John P. Lucas and was intended to outflank German forces of the Winter Line and enable an...
" - the landing of combined American and British forces 60 miles behind the German lines in the Anzio
Anzio
Anzio is a city and comune on the coast of the Lazio region of Italy, about south of Rome.Well known for its seaside harbour setting, it is a fishing port and a departure point for ferries and hydroplanes to the Pontine Islands of Ponza, Palmarola and Ventotene...
-Nettuno
Nettuno
Nettuno is a town and comune of the province of Rome in the Lazio region of central Italy, 60 kilometers south of Rome. It is named in honour of the Roman god Neptune...
area.
Italian Campaign Support operations
The ships sortied on 21 January, and Sway arrived in the assault area the next morning. She streamed her sweep gear and began clearing the beaches for the landing. The ship remained there on "E-boat" and anti-submarine patrol until the 31st when she escorted a convoyConvoy
A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support, though it may also be used in a non-military sense, for example when driving through remote areas.-Age of Sail:Naval...
to Naples
Naples
Naples is a city in Southern Italy, situated on the country's west coast by the Gulf of Naples. Lying between two notable volcanic regions, Mount Vesuvius and the Phlegraean Fields, it is the capital of the region of Campania and of the province of Naples...
. She escorted another convoy back to Anzio
Anzio
Anzio is a city and comune on the coast of the Lazio region of Italy, about south of Rome.Well known for its seaside harbour setting, it is a fishing port and a departure point for ferries and hydroplanes to the Pontine Islands of Ponza, Palmarola and Ventotene...
and remained there from 3 to 18 February when she returned to Naples. From that date to 1 August, she shuttled between Anzio, other Italian ports, and North Africa
North Africa
North Africa or Northern Africa is the northernmost region of the African continent, linked by the Sahara to Sub-Saharan Africa. Geopolitically, the United Nations definition of Northern Africa includes eight countries or territories; Algeria, Egypt, Libya, Morocco, South Sudan, Sudan, Tunisia, and...
.
Operation Dragoon participation
Sway stood out of Naples on 12 August with a convoy to participate in "Operation DragoonOperation Dragoon
Operation Dragoon was the Allied invasion of southern France on August 15, 1944, during World War II. The invasion was initiated via a parachute drop by the 1st Airborne Task Force, followed by an amphibious assault by elements of the U.S. Seventh Army, followed a day later by a force made up...
", the invasion of southern France
Southern France
Southern France , colloquially known as le Midi is defined geographical area consisting of the regions of France that border the Atlantic Ocean south of the Gironde, Spain, the Mediterranean, and Italy...
. She arrived in the assault area of the Gulf of Tropez in the early morning of 15 August and began sweeping the area. She operated there until 2 September when she moved to the Marseille
Marseille
Marseille , known in antiquity as Massalia , is the second largest city in France, after Paris, with a population of 852,395 within its administrative limits on a land area of . The urban area of Marseille extends beyond the city limits with a population of over 1,420,000 on an area of...
-Toulon
Toulon
Toulon is a town in southern France and a large military harbor on the Mediterranean coast, with a major French naval base. Located in the Provence-Alpes-Côte-d'Azur region, Toulon is the capital of the Var department in the former province of Provence....
area. Sway departed the operating area on 6 October en route to Bizerte
Bizerte
Bizerte or Benzert , is the capital city of Bizerte Governorate in Tunisia and the northernmost city in Africa. It has a population of 230,879 .-History:...
, via Corsica
Corsica
Corsica is an island in the Mediterranean Sea. It is located west of Italy, southeast of the French mainland, and north of the island of Sardinia....
. For the next two months the minesweeper shuttled between French, Italian, and North African ports. On 28 December 1944, Sway steamed out of Oran
Oran
Oran is a major city on the northwestern Mediterranean coast of Algeria, and the second largest city of the country.It is the capital of the Oran Province . The city has a population of 759,645 , while the metropolitan area has a population of approximately 1,500,000, making it the second largest...
with a convoy bound for the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
.
Stateside overhaul
Sway arrived at Norfolk, VirginiaNorfolk, Virginia
Norfolk is an independent city in the Commonwealth of Virginia in the United States. With a population of 242,803 as of the 2010 Census, it is Virginia's second-largest city behind neighboring Virginia Beach....
on 19 January 1945 and remained there until late March being overhauled for duty in the Pacific
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...
. She and sailed for Miami, Florida
Miami, Florida
Miami is a city located on the Atlantic coast in southeastern Florida and the county seat of Miami-Dade County, the most populous county in Florida and the eighth-most populous county in the United States with a population of 2,500,625...
, on 27 March. Upon arrival there on the 30th, air search radar
Radar
Radar is an object-detection system which uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. The radar dish or antenna transmits pulses of radio...
was installed. She rendezvoused with the other ships of Mine Division 18 at Key West, Florida
Key West, Florida
Key West is a city in Monroe County, Florida, United States. The city encompasses the island of Key West, the part of Stock Island north of U.S. 1 , Sigsbee Park , Fleming Key , and Sunset Key...
on the 24th, and they sailed for the west coast
West Coast of the United States
West Coast or Pacific Coast are terms for the westernmost coastal states of the United States. The term most often refers to the states of California, Oregon, and Washington. Although not part of the contiguous United States, Alaska and Hawaii do border the Pacific Ocean but can't be included in...
three days later.
Pacific operations
The ships arrived at San Diego, CaliforniaSan Diego, California
San Diego is the eighth-largest city in the United States and second-largest city in California. The city is located on the coast of the Pacific Ocean in Southern California, immediately adjacent to the Mexican border. The birthplace of California, San Diego is known for its mild year-round...
, on 15 May. Sway sailed independently for Hawaii
Hawaii
Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...
on 22 May and arrived at 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...
eight days later. She departed from Guam
Guam
Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...
, M.I., on 11 June and, upon arrival, made last minute preparations for combat. On the last day of the month she joined a convoy
Convoy
A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support, though it may also be used in a non-military sense, for example when driving through remote areas.-Age of Sail:Naval...
as escort and sailed for Okinawa, arriving at Buckner Bay on 12 July. From 22 to 30 July, Sway swept the "Juneau" area of the East China Sea
East China Sea
The East China Sea is a marginal sea east of China. It is a part of the Pacific Ocean and covers an area of 1,249,000 km² or 750,000 square miles.-Geography:...
. In August, she swept the "Skagway" area from the 13th to the 24th. On 31 August, she departed Okinawa for Tsugaru Strait
Tsugaru Strait
is a channel between Honshu and Hokkaido in northern Japan connecting the Sea of Japan with the Pacific Ocean. It was named after the western part of Aomori Prefecture...
, between Honshū
Honshu
is the largest island of Japan. The nation's main island, it is south of Hokkaido across the Tsugaru Strait, north of Shikoku across the Inland Sea, and northeast of Kyushu across the Kanmon Strait...
and Hokkaidō
Hokkaido
, formerly known as Ezo, Yezo, Yeso, or Yesso, is Japan's second largest island; it is also the largest and northernmost of Japan's 47 prefectural-level subdivisions. The Tsugaru Strait separates Hokkaido from Honshu, although the two islands are connected by the underwater railway Seikan Tunnel...
, and swept there from 7 to 31 September. She then swept the Ominato Ko area until 19 October when she got underway for Sasebo
Sasebo, Nagasaki
is a city located in Nagasaki Prefecture, Japan. As of 2011, the city has an estimated population of 259,800 and the density of 609 persons per km². The total area is 426.47 km². The locality is famed for its scenic beauty. The city includes a part of Saikai National Park...
, 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...
. She arrived there on 24 October and two days later began a sweep of the "Klondike" area of the East China Sea which lasted until 7 November. Sway operated in the Pescadores Islands and the Formosa
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...
area from 28 November to 15 December. "Sway" arrived at Amoy, China on 18 December and departed 19 December. It arrived at Kiiron, Formoasa on 20 December. On the 21st, she got underway from Kiiron, Formoasa, for 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 arrived at Shanghai
Shanghai
Shanghai is the largest city by population in China and the largest city proper in the world. It is one of the four province-level municipalities in the People's Republic of China, with a total population of over 23 million as of 2010...
on 23 December 1945.
Sway remained in 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...
until 3 January 1946. She headed for Sasebo, Japan and arrived 5 January. She departed 15 January and got underway for the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
, via Eniwetok(arrived 23 January, departed 24 January) and Hawaii
Hawaii
Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...
(arrived 31 January, departed 2 February). She called at 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...
and departed there on 2 February for San Diego
San Diego, California
San Diego is the eighth-largest city in the United States and second-largest city in California. The city is located on the coast of the Pacific Ocean in Southern California, immediately adjacent to the Mexican border. The birthplace of California, San Diego is known for its mild year-round...
(arrived 9 February).
Deactivation
When Sway arrived at San Diego, it was decided to inactivate her. On 22 February, she was placed in reserve, in commission. On 15 January 1947, she was placed in reserve, out of commission, with the Pacific Reserve Fleet. Sway was reclassified from AM-120 to MSF-120, Minesweeper, Fleet (steel-hulled), on 7 February 1955.Sway was struck from the Navy list
Navy List
A Navy List or Naval Register is an official list of naval officers, their ranks and seniority, the ships which they command or to which they are appointed, etc., that is published by the government or naval authorities of a country....
on 1 July 1972. The ship was sold to Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...
on 16 February 1973.
Mexican Navy service
The former Sway was purchased by the Mexican NavyMexican Navy
The Mexican Navy is the naval branch of the Mexican military responsible for conducting naval operations. Its stated mission is "to use the naval force of the federation for the exterior defense, and to help with internal order". The Navy consists of about 56,000 men and women plus reserves, over...
on 16 February 1973 and renamed ARM Ignacio Altamirano (C80). Her pennant number was later changed to G12, and, in 1993, to P111. Ignacio Altamirano had been retired from service by 2004. The vessel reportedly seen in Guaymas
Guaymas
Guaymas is a city and municipality located in the southwest part of the state of Sonora in northwestern Mexico. The city is located 117 km south of the state capital of Hermosillo, and 242 miles from the U.S. border, and is the principal port for the state. The municipality is located in the...
in January 2009 afloat, but not in service and not maintained.