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NavSource Online: Service Ship Photo Archive

Glomar Explorer (AG-193)


Miscellaneous Auxiliary:
  • Laid down, date unknown, at Sun Shipbuilding and Drydock, Chester, PA as GSF Hughes Glomar Explorer
  • Launched, 1 November 1972
  • Delivered to Summa Corp. for delivery to the US Navy, 1 July 1973
  • Placed in service as Glomar Explorer (AG-193) on the same date
  • Placed out of service, date unknown
  • Transferred to the Maritime Administration (MARAD) 17 January 1977, for lay up in the National Defense Reserve Fleet, Suisun Bay, Benecia, CA.
  • Withdrawn from reserve and returned to the US Navy, 1 June 1978
  • Returned to MARAD for lay up. 25 April 1980, in the National Defense Reserve Fleet, Suisun Bay, Benecia, CA.
  • Struck from the Naval Register, 19 November 2007
  • Transferred to MARAD, 17 January 1977, for lay up in the National Defense Reserve Fleet, Suisun Bay, Benecia , CA.
  • Withdrawn from reserve, custody transferred to US Navy, 1 June 1979, to be leased to Global Marine Development Inc. for commercial use. Intended to be used for experimental deep-ocean mining tests up to 17,000 feet.
  • In 1979 it was proposed that the ship be transferred to the National Science Foundation for use as an experimental drilling ship- this proposal was never funded and never occurred.
  • Lease terminated, 25 April 1980, returned to US Navy custody and transferred to MARAD for lay up in National Defense Reserve Fleet Suisun Bay. Benecia. CA. the same day.
  • Leased to Global Marine in August 1996 for commercial use under 30-year lease terms
  • Withdrawn from Suisun Bay, 5 November 1996, and converted to a deep-drilling ship, completed in Jan 1998
  • Global Marine merged with Santa Fe International, Inc in 2001 to become GlobalSantaFe Corporation, which operated the ship as GSF Explorer
  • GlobalSantaFe merged with Transocean Inc in Nov 2007.
  • Ship operated as a 7800 foot (water depth) exploratory drillship for drilling up to 30,000 feet, contracted out by various oil companies- currently named MV Global Explorer
    Specifications:
    Displacement 50,500 lt.
    Length 619'
    Beam 116'
    Draft 46' (max)
    Speed 10 kts.
    Propulsion Diesel-electric
    five Nordberg 16-cylinder, 4,160 volt AC generators turning six 2,200 HPO DC shaft motors
    twin shafts
    Click On Image
    For Full Size Image
    Size Image Description Contributed
    By
    Glomar Explorer 43k Diagram of unmodified GSF Hughes Glomar Explorer.
    From "A Matter of Risk" by Roy Varner and Wayne Collier.
    Tommy Trampp
    Glomar Explorer 34k Glomar Explorer (AG-193) underway, date and location unknown.
    US Government photo.
    Robert Hurst
    Glomar Explorer 334k Glomar Explorer (AG-193) anchor in the Susiun Bay Reserve Fleet, 15 May 1977.
    Photos from the collection at the Vallejo Naval and Historical Musuem.
    Darryl Baker
    Glomar Explorer 277k
    Glomar Explorer 570k Glomar Explorer (AG-193) "drill rig", 15 May 1977, National Defense Reserve Fleet, Suisun Bay, Benica,CA.
    Photos from the files at the collections of the Vallejo Naval and Historical Museum File name: AG 193 May 15 1977 05 TH
    Darryl Baker
    Glomar Explorer 302k Glomar Explorer (AG-193) Compuer Room, 15 May 1977, National Defense Reserve Fleet, Suisun Bay, Benica,CA.br>Photos from the files at the collections of the Vallejo Naval and Historical Museum File name: AG 193 May 15 1977 07 TH Darryl Baker
    Glomar Explorer 373k Glomar Explorer (AG-193) "Moom Pool", 15 May 1977, National Defense Reserve Fleet, Suisun Bay, Benica,CA.
    Photos from the files at the collections of the Vallejo Naval and Historical Museum File name: AG 193 May 15 1977 08 TH
    Darryl Baker
    Glomar Explorer 289k Glomar Explorer (AG-193) bridge, 15 May 1977, National Defense Reserve Fleet, Suisun Bay, Benica,CA.br>Photos from the files at the collections of the Vallejo Naval and Historical Museum File name: AG 193 May 15 1977 09 TH Darryl Baker
    Glomar Explorer 93k The deep water research vessel GSF Hughes Glomar Explorer owned by the organization of the industrialist Howard Hughes and leased to the CIA found and raised part of a soviet nuclear submarine in March 1978. The submarine reportedly exploded and sank in the Pacific Ocean in 1968.
    UPI file photo.
    Tommy Trampp
    Glomar Explorer 58k Glomar Explorer (AG-193) underway, date and location unknown. Gunter Krebs
    Glomar Explorer 335k Ex-Glomar Explorer (AG-193) moored in the National Defense Reserve Fleet site at Suisun Bay, Benecia, CA., circa 29 July 1985. ©Richard Leonhardt
    Glomar Explorer 31k Ex-Glomar Explorer (AG-193) renamed MV Global Explorer at an Oregon shipyard being modified for Global Marine. With her pipe string handling equipment, docking legs and moon pool doors gone she rides much higher in the water. Note her bow thrusters are clearly visible in this picture, date unknown. Tommy Trampp

    There is no DANFS history currently available for Glomar Explorer (AG-193) at NavSource
    Additional Resources and Web Sites of Interest
    The Hughes Glomar Explorer's Mission
    Project Azorian - The CIA's Declassified History of the Glomar Explorer
    Back To The Main Photo Index Back To The Service Ship Photo Index Back To The Miscellaneous Auxiliary Ship (AG) Photo Index
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    This page is created and maintained by Gary P. Priolo
    All pages copyright NavSource Naval History
    Last Updated 15 March 2013