200509-N-PD331-0001 EAST CHINA SEA (May 9, 2020) The Avenger class mine countermeasure ship USS Pioneer (MCM 9) conducts a mine warfare training exercise. Pioneer, part of Mine Countermeasures Squadron 7, is operating in the 7th Fleet area of operations to enhance interoperability with partners and serve as a ready-response platform for contingency operations. (U.S. Navy photo by Lt. j.g. Irving Garcia/Released)