USS Champion (MCM-4), an Avenger-class mine countermeasures ship, is the fourth U.S. Navy ship of that name. Champion was laid down on 28 June 1984 at Marinette Marine Corporation, Marinette, Wisconsin; launched on 15 April 1989; and commissioned on 8 February 1991. She was assigned to the Active Naval Reserve, Mine Countermeasures Squadron Two, US Atlantic Fleet. While on a five-month deployment in the Mediterranean during 1999, Champion assisted in the evacuation of ethnic Albanians from war-torn Kosovo.