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NavSource Online: Service Ship Photo Archive

USNS Impeccable (T-AGOS-23)

International Radio Call Sign:
November - India - November - Tango
Awards, Citations and Campaign Ribbons

National Defense Service Medal

Impeccable Class Ocean Surveillance Ship:
  • Laid down, 15 March 1992, at American Shipbuilding, Tampa, FL.
  • Completed at Halter Marine Inc., Gulfport, MS., in 1995
  • Launched, 28 August 1998
  • Delivered to the Navy, 22 March 2001
  • Assignment to the Military Sealift Command's (MSC) Special Mission Ships Program
  • Placed in service as USNS Impeccable (T-AGOS-23) the same date
    Displacement 5,370 t.(fl)
    Length 281' 5"
    Beam 95' 8"
    Draft 26'
    Speed 13 kts (3 kts when towing array)
    Civilian mariners 20
    Navy personnel 20
    Technicians 5
    PropulsionDiesel-electric; three diesel generators; two Westinghouse motors; 5,000 horsepower; twin screw shaft; 2 omni-thruster hydrojets; 1,800 horsepower

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    Size Image Description Contributed
    151k USNS Impeccable (T-AGOS-23) moored pierside at Halter Marine Shipyard in Moss Point, Ms., circa 2001.
    MSC photo by Rebecca Rogers, MSC PAO
    Robert Hurst
    Impeccable 38k USNS Impeccable (T-AGOS-23) underway, date and location unknown.
    US Navy photo
    MSC web site
    Impeccable 151k USNS Impeccable (T-AGOS-23) underway, date and location unknown. The military Sealift Command ocean surveillance ship Impeccable is one of five ocean surveillance ships that are part of the 25 ships in the Military Sealift Command Special Mission Ships Program. Impeccable directly supports the Navy by using both passive and active low frequency sonar arrays to detect and track undersea threats.
    US Navy photo # 090309-N-0000X-001 WASHINGTON (March 9, 2009).
    Lee Wahler
    Impeccable 63k USNS Impeccable (T-AGOS-23) at Yokohama, 11 April 2004. Photo was taken from Yokohama Bay Bridge. The passenger ship MV Royal Wing is passing Impeccable on her port side. Photo by Shigeru Motosugi

    USNS Impeccable (T-AGOS-23)
    Dictionary of American Naval Fighting Ships (DANFS)
    Crew Contact And Reunion Information
    U.S. Navy Memorial Foundation - Navy Log

    Additional Resources and Web Sites of Interest
    US Navy Fact File - Ocean Surveillance Ships - T-AGOS
    Back To The Main Photo Index Back To The Service Ship Photo Index Back To The Ocean Surveillance (AGOS) Ship Photo Index
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    This page is created and maintained by Gary P. Priolo
    All pages copyright NavSource Naval History
    Last Updated 13 October 2023