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NavSource Online: Service Ship Photo Archive

AVP-27 / AGP-7 Mobjack

Flag Hoist/International Radio Call Sign:
November - Bravo - Romeo - Zulu


Precedence of awards is from top to bottom, left to right
Top Row - Combat Action Ribbon (20 September 1944) - American Campaign Medal
Bottom Row - Asiatic-Pacific Campaign Medal (3) - World War II Victory Medal - Philippines Liberation Medal
Personnel Awards

Purple Heart (one 20 September 1944)
Barnegat Class Small Seaplane Tender:
  • Laid down, 5 February 1942, at Lake Washington Shipyard, Houghton, WA.
  • Launched, 2 August 1942
  • Reclassified as a Motor Torpedo Boat Tender, 11 March 1943
  • Commissioned USS Mobjack (AGP-7), 17 October 1943, CDR. D. B. Coleman in command
  • Decommissioned, 21 August 1946, at San Francisco, CA.
  • Transferred, the same day, to the custody of the Department of Commerce, Coast and Geodetic Survey
  • Renamed and commissioned C&GSS Pioneer (OSS-31), in service from 1946 to 1956
  • Pioneer was sold for scrapping, 4 May 1966, to National Metal and Steel Corp., Terminal Island, CA;
  • Struck from the Naval Register (date unknown)
  • Mobjack received three battle stars for World War II service
    Specifications:
    Displacement 1,766 t.(lt) 2,750 t.(fl)
    Length 311' 8"
    Beam 41' 1"
    Draft 13' 6"
    Speed 18.6 kts.
    Complement 360
    Armament
    two single 5"/38 dual purpose gun mounts
    one quad 40mm AA gun mount
    two dual 40mm AA gun mounts
    four dual 20mm AA gun mounts
    Propulsion diesel, two shafts, 6,000hp
    Click On Image
    For Full Size Image    		 Size Image Description Source
    USS Mobjack (AGP-7)
    Mobjack 122k Mobjack (AGP-7) fitting out at Houghton, WA., 10 July 1943
    US National Archives photo # 19-N-51142, from the Bureau of Ships Collection in the US National Archives.    		 US Naval Historical Center
    Mobjack 162k Mobjack (AGP-7) fitting out at Houghton, WA., 0 July 1943. Three less-advanced Barnegat-class AVPs are also visible fitting out afloat.
    US National Archives photo # 19-N-51141 from the Bureau of Ships Collection in the US National Archives.    		 US Naval Historical Center
    Mobjack 118k Mobjack (AGP-7) fitting out at Houghton, WA., 10 July 1943.
    US National Archives photo # 19-N-51140 from the Bureau of Ships Collection in the US National Archives.    		 US Naval Historical Center
    Mobjack 61k Mobjack (AGP-7) Photographed at Houghton, WA., 17 September 1943, the date of her commissioning.
    US National Archives photo # 19-N-51132 from the Bureau of Ships Collection in the US National Archives.    		 US Naval Historical Center
    Mobjack 70k Mobjack (AGP-7) at Houghton, WA., 17 September 1943, the date of her commissioning.
    US National Archives photo # 19-N-51133 from the Bureau of Ships Collection in the US National Archives.    		 US Naval Historical Center
    Mobjack 69k Mobjack (AGP-7) at Houghton, WA., 17 September 1943, the date of her commissioning.
    US National Archives photo # 19-N-51137 from the Bureau of Ships Collection in the US National Archives.    		 US Naval Historical Center
    Mobjack 262k Mobjack (AGP-7) inbound passing under the Golden Gate Bridge as she enters San Francisco Bay, CA., 12 December 1945
    Photo ©Nobe Smith Atlantic Fleet Sales, Norfolk, VA.     		Bill Gonyo
    C&GSS Pioneer (OSS-31)
    Mobjack 98k ex-Mobjack (AGP 7) in service as the US Coast and Geodetic Survey ship C&GSS Pioneer (OSS-31) passing underneath the Golden Gate Bridge while returning from a mapping mission in Alaska, date unknown. Pioneer towed the first marine magnetometer and discovered magnetic striping, the key to plate tectonics.
    USN photo.     		Bud Patras
    View the Mobjack (AGP-7)
    DANFS history entry located at the US Naval Historical Center
    Crew Contact And Reunion Information
    U.S.Navy Memorial Foundation
    Fleet Reserve Association
    Additional Resources and Web Sites of Interest
    No Information Available
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    This page is created and maintained by Gary P. Priolo
    © 2005 Gary P. Priolo © 1996 - 2008 NavSource Naval History. All Rights Reserved.
    Last Updated 21 December 2007