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NavSource Online: Service Ship Photo Archive

USNS Audacious (T-AGOS-11)
USNS Dauntless (T-AGOS-11) (1986 - ?)

International Radio Call Sign:
November - Juliet - Mike - Romeo
Awards, Citations and Campaign Ribbons

National Defense Service Medal

USNS Audacious (T-AGOS-11) was transferred to Portugal, renamed NPR Almirante Dom Carlos I (A522)
Stalwart Class Ocean Surveillance Ship:
  • Laid down, 29 February 1988, at Tacoma Boat Building Co., Tacoma, WA.
  • Launched, 28 January 1989
  • Delivered to the Navy, 9 September 1986, assigned to Military Sealift Command (MSC) and placed in service as USNS Dauntless (T-AGOS-11)
  • Renamed USNS Audacious (T-AGOS-11), date unknown
  • Placed out of service and struck from the Naval Register, 6 February 1997
  • Transferred under the Security Assistance Program to Portugal, 9 December 1996, renamed NPR Almirante Dom Carlos I (A522)
  • Current Disposition, active Portuguese Navy
    Displacement 1,565 t.(lt) 2,535t.(fl)
    Length 224'
    Beam 43'
    Draft 15'
    Speed 11kts
    Armament none
    Complement 18 Civilian Mariners,15 Navy
    Propulsion diesel-electric, two shafts, 1,600hp

    Click On Image
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    Size Image Description Contributed
    NRP Almirante Dom Carlos I (A522)
    Stalwart 126k Ex-USNS Audacious (T-AGOS-11) underway in Portuguese Naval service as ALM Dom Carlos I (A522)
    Portugal Navy photo
    LCDR Orlando Gallardo USN
    113k Survey Ships NRP Almirante Gago Coutinho (A523) at right and NRP Almirante Dom Carlos 1 (A522) (ex-USNS Audacious (T-AGOS-11) ) at left, moored pierside, location unknown, 24 September 2015.
    Photo courtesy Antonio da Silva Martins, licensed under the Creative Commons Attribution-Share Alike 2.0 Generic.
    Robert Hurst

    There is no DANFS history available for USNS Audacious (T-AGOS-11) at the US Naval Historical Center
    Crew Contact And Reunion Information
    U.S. Navy Memorial Foundation - Navy Log

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    Last Updated 10 November 2023