History

The USS Sentry (MCM 3), an Avenger-class mine countermeasures ship, was laid down on 8 October 1984 by Peterson Builders in Sturgeon Bay, Wisconsin, launched on 20 September 1986 and commissioned on 2 September 1989. 

USS Sentry was home ported at Naval Station (NS) Ingleside, Texas where it performed in a regular deployment cycle throughout the 1990’s though 2009. 

In September 2009 USS Sentry arrived at its new homeport at Naval Base San Diego reporting to Commander, Mine Countermeasures Squadron (COMCMRON) TWO. 

On 15 March 2012, the U.S. Navy announced USS Sentry would be one of four minesweepers moved to the Persian Gulf region. The Sentry arrived at Naval Support Activity Bahrain in the U.S. 5th Fleet area of operations (AOR) in June. The Sentry was scheduled regular seven-month deployments with rotational crews from San Diego to provide continuous manning.