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About Us
Welcome to the mine countermeasure ship USS Sentry (MCM 3) official website.

General Characteristics, Avenger Class Mine Countermeasures 

  • Builder: Peterson Ship Builders, Sturgeon Bay, Wisconsin

  • Date Commissioned: 02 September 1989

  • Homeport: Manama, Bahrain

  • Propulsion: Four Isatto Franchini Diesel Engines; two shafts; 1,175 total shaft horsepower

  • Length: 225 feet (68.8 meters)

  • Beam: 39 feet (11.9 meters)

  • Displacement: Light load 1,160 L tons, full load 1,260.97 L tons

  • Speed: In excess of 10 knots

  • Crew: 75 enlisted, 10 officers

  • Armament: Four M2HB .50 Cal machine guns; two M240 machine guns

  • Sensors and processing systems: AN/SLQ-60 Surface Mine Neutralization System Seafox; AN/SQL-37 Magnetic/Acoustic

    Influence Minesweeping Gear; MDG 1701 Marconi Magnetometer Degaussing System; AN/SSN-2 Precise Integrated

    Navigation System, AN/SQQ-32 Mine Hunting Sonar, AN/SPS-73 Surface Radar, AN/WSN-7 Gyro Compass.  |  |  Navy FOIA  |  DoD Accessibility/Section 508  |  No Fear Act   |  Open Government  |  Plain Writing Act  |  Veterans Crisis Line  |  VA Vet Center  |  FVAP  |  DoD Safe Helpline  |  Navy SAPR  |  NCIS Tips  |  Privacy Policy  |  Site Map  |  Contact Us   |  988 Helpline
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