USS SENTRY is the third AVENGER class Mine Countermeasures Ship. SENTRY is designated a reserve ship, and is only at full crew-member capacity when Selected Reservists are on board.
USS SENTRY is the 1998 COMNAVSURFLANT Battle Efficiency Award winner for her class and was awarded the 1998 COMNAVSURFLANT Safety Award.
| General Characteristics: | Keel Laid: October 8, 1984 |
| Launched: September 20, 1986 |
| Commissioned: September 2, 1989 |
| Builder: Peterson Shipbuilders, Sturgeon Bay, Wis. |
| Propulsion System: four diesels |
| Propellers: two |
| Length: 224 feet (68.28 meters) |
| Beam: 39 feet (11.89 meters) |
| Draft: 11,5 feet (3.5 meters) |
| Displacement: 1,312 tons |
| Speed: 14 knots |
| Armament: Mine neutralization system, two .50 caliber machine guns |
| Homeport: Ingleside, TX. |
| Crew: 8 Officers, 6 Chief Petty Officers and 58 Enlisted |