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Avenger-class mine countermeasures ships are a class of 14 ships constructed for the United States Navy from 1987 to 1994, designed to clear mines from vital waterways. The ships have the hull designator MCM.

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The third USS Ardent (MCM-12) is an Avenger-class mine countermeasures ship in the United States Navy.

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USS Avenger (MCM-1) was the lead ship of her class of mine countermeasures ship, and the third U.S. Navy ship of that name.

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USS Champion (MCM-4), an Avenger-class mine countermeasures ship, is the fourth U.S. Navy ship of that name.

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USS Chief (MCM-14) is an Avenger-class mine countermeasures ship of the United States Navy. She was named after the rate of chief petty officer.

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USS Defender (MCM-2) was an Avenger-class mine countermeasures ship in the service of the United States Navy. She entered service in September 1989 and was decommissioned in October 2014.

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USS Devastator (MCM-6) is an Avenger-class mine countermeasures ship of the United States Navy.

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USS Dextrous (MCM-13) is an Avenger-class mine countermeasures ship in the United States Navy.

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USS Gladiator (MCM-11) is an Avenger-class mine countermeasures ship of the United States Navy, and is the third U.S. Navy ship to bear that name.

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USS Guardian (MCM-5) was an Avenger-class mine countermeasures ship of the United States Navy, and was the second Navy ship to bear that name. The hulls of the Avenger-class ships were constructed of wood with an external coat of fiberglass.

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USS Patriot (MCM-7), is an Avenger-class mine countermeasures ship of the United States Navy, and is the third Navy ship of that name. The hulls of the Avenger-class ships are constructed of wood with an external coat of fiberglass.

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USS Pioneer (MCM-9), an Avenger-class mine countermeasures ship of the United States Navy, and is the ninth ship of the class, and the second Navy ship of that name.

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The fourth USS Scout (MCM-8) is an Avenger-class mine countermeasures ship of the United States Navy.

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USS Sentry (MCM-3), an Avenger-class mine countermeasures ship, is the second U.S. Navy ship of that name. Sentry 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.

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USS Warrior (MCM-10) is an Avenger-class mine countermeasures ship of the United States Navy.