Glomar Explorer

History
NameGSF Explorer
OwnerGlobal Marine Development
OperatorCentral Intelligence Agency
Port of registryPort Vila, Vanuatu
Builder
Cost>$350 million (1974) (>$1.68 billion in 2023 dollars.[1])
Laid down1971
Launched4 November 1972
Completed1974
Acquired2010
Identification
FateScrapped
Notes[2]
United States
NameHughes Glomar Explorer
NamesakeHoward Hughes
BuilderSun Shipbuilding & Drydock Company
Launched4 November 1972
In service1 July 1973
FateScrapped, 2015
Notes[2]
General characteristics
TypeDrillship
Displacement50,500 long tons (51,310 t) light
Length619 ft (189 m)
Beam116 ft (35 m)
Draft38 ft (12 m)
Propulsion
  • Diesel-electric
  • 5 × Nordberg 16-cylinder diesel engines driving 4,160 V AC generators turning 6 × 2,200 hp (1.6 MW) DC shaft motors, twin shafts
Speed10 knots (19 km/h; 12 mph)
Complement160
Notes[2]

GSF Explorer, formerly USNS Hughes Glomar Explorer (T-AG-193), was a deep-sea drillship platform built for Project Azorian, the secret 1974 effort by the United States Central Intelligence Agency's Special Activities Division to recover the Soviet submarine K-129.[3][4]

  1. ^ Johnston, Louis; Williamson, Samuel H. (2023). "What Was the U.S. GDP Then?". MeasuringWorth. Retrieved 30 November 2023. United States Gross Domestic Product deflator figures follow the MeasuringWorth series.
  2. ^ a b c "ABS Record: GSF Explorer." Archived 19 February 2018 at the Wayback Machine American Bureau of Shipping, 2010. Retrieved: 25 December 2010.
  3. ^ Burleson 1997, p. 52.
  4. ^ "Mysteries of the Deep: Raising Sunken Ships: The Glomar Explorer." Archived 16 October 2015 at the Wayback Machine Scientific American Frontiers (PBS), p. 2. Retrieved: 25 December 2010.