Assertion: avenger class minesweeper | /r/HasProperty | uss sentry
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text: The Avenger-class minesweepers USS Devastator (MCM 6), USS Gladiator (MCM 11), USS Sentry (MCM 3), USS Dextrous (MCM 13), the Arleigh Burke-class guided missile destroyer USS Mason (DDG 87) and an MH-53E Sea Dragon helicopter minehunting helicopter assigned to the “Blackhawks” of Helicopter Mine Countermeasures Squadron (HSM) 15 maneuver in the Arabian Gulf, July 6.