Hughes Mining Barge
Encyclopedia
The Hughes Mining Barge, or HMB-1, is a submersible barge
Barge
A barge is a flat-bottomed boat, built mainly for river and canal transport of heavy goods. Some barges are not self-propelled and need to be towed by tugboats or pushed by towboats...

 about 99 m (324 ft) long, 32 m (106 ft) wide, and more than 27 m (90 ft) tall. The HMB-1 was originally developed as part of Project Azorian (more widely, but erroneously, known as "Project Jennifer"), the top-secret effort mounted by the Central Intelligence Agency
Central Intelligence Agency
The Central Intelligence Agency is a civilian intelligence agency of the United States government. It is an executive agency and reports directly to the Director of National Intelligence, responsible for providing national security intelligence assessment to senior United States policymakers...

 to salvage the remains of the Soviet submarine K-129
Soviet submarine K-129 (Golf II)
K-129 was a Project 629A diesel-electric powered submarine of the Soviet Pacific Fleet, one of six Project 629 strategic ballistic missile submarines attached to the 15th Submarine Squadron based at Rybachiy Naval Base, Kamchatka, commanded by Rear Admiral Rudolf A...

 from the ocean floor. The HMB-1 was designed to be submerged under the Glomar Explorer to conceal any salvaged remains from Soviet observers.

After the conclusion of Project Azorian, the HMB-1 was mothballed
United States Navy reserve fleets
The United States Navy maintains a number of its ships as part of a reserve fleet, often called the "Mothball Fleet". While the details of the activity have changed several times, the basics are constant: keep the ships afloat and sufficiently working as to be reactivated quickly in an...

 at the Todd Shipyard in San Francisco, California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 until November, 1982. At that time, 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...

 towed the huge barge to a Lockheed Martin
Lockheed Martin
Lockheed Martin is an American global aerospace, defense, security, and advanced technology company with worldwide interests. It was formed by the merger of Lockheed Corporation with Martin Marietta in March 1995. It is headquartered in Bethesda, Maryland, in the Washington Metropolitan Area....

 facility in Redwood City, California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, where it became a floating drydock for the construction and sea trial
Sea trial
A sea trial is the testing phase of a watercraft . It is also referred to as a "shakedown cruise" by many naval personnel. It is usually the last phase of construction and takes place on open water, and can last from a few hours to many days.Sea trials are conducted to measure a vessel’s...

s of the Sea Shadow, an experimental stealth ship
Stealth ship
A stealth ship is a ship which employs stealth technology construction techniques in an effort to ensure that it is harder to detect by one or more of radar, visual, sonar, and infrared methods...

 being tested by the Navy. Sea trials of the Sea Shadow continued until 1986.

Fate

The HMB-1 currently sits along with the Sea Shadow - which is still docked inside the vessel - in the National Defense Reserve Fleet
National Defense Reserve Fleet
The National Defense Reserve Fleet consists of "mothballed" ships, mostly merchant vessels, that can be activated within 20 to 120 days to provide shipping for the United States of America during national emergencies, either military or non-military, such as commercial shipping crises.The NDRF is...

 at Suisun Bay
Suisun Bay
Suisun Bay is a shallow tidal estuary at in northern California, USA. It lies at the confluence of the Sacramento and San Joaquin Rivers, forming the entrance to the Sacramento-San Joaquin River Delta, an inverted river delta...

, California.

External links

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