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NavSource Online: Service Ship Photo Archive
Contributed by Wolfgang Hechler

Mariner (OUSV-3)

Overlord Medium Displacement Unmanned Surface Vessel:
  • Laid down, date unknown, by Leidos at Austral USA, Mobile, AL.
  • Launched date unknown
  • Acquired by the US Navy, date unknown
  • Renamed and Christened Mariner (OUSV-3), 23 August 2023
  • Assigned to Pacific Fleet, Unmanned Surface Vessel Squadron One, Unmanned Surface Vessel Division One
  • Status, in service
    Specifications:
    Displacement 135 t.(light) 145 t.(full load)
    Length 193'
    Beam 32'
    Draft 13.6"
    Speed unknown
    Electronics
    two Furuno Radars
    Lockheed Martin Aegis combat system
    Complement 0
    Armament unknown
    Fuel Capacity - Diesel unknown
    Propulsion
    5 x 2,000 hp (1,491 kW) diesel engines
    5 water jets
    Generators 5
    Click On Image
    For Full Size Image    		Size Image Description Source
    Mariner (OUSV-3)
    Marinerr
    0993000501    		 589k Marinerr (OUSV-3) tiedup at the US Naval Academy Annapolis, MD, 22 August 2023, prior to her Christening, 23 August.
    Photo by Richard Abott, Defense Daily    		 Defense Daily
    Ranger
    0993000403    		 1150k Mariner (OUSV-3) and Ranger (OUSV-2) transits the Pacific Ocean during Integrated Battle Problem (IBP) 23.2, 7 September 2023. IBP 23.2 is a Pacific Fleet exercise to test, develop and evaluate the integration of unmanned platforms into fleet operations to create warfighting advantages.
    US Navy photo # 230907-N-GZ228-1356 by MC2 Jesse Monford    		 US Pacific Fleet
    Mariner
    0993000502    		 383k Mariner (OUSV-3) entering the harbor at Yokosuka, Japan, 23 September 2023.
    Naval News    		 Photos by Kosuke Takahashi
    Mariner
    0993000503    		 159k
    There is no history record available for Mariner (OUSV-3) at NavSource
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    Last Updated 21 March 2025