190505-N-SB587-0482 SOUTH CHINA SEA (May 5, 2019) Mineman 3rd Class Ryan Matas, from Houston, Texas, signs his name onto a buoy sent from the fleet replenishment oiler USNS Walter S. Diehl (T-AO 193) during a replenishment-at-sea aboard the the Avenger-class mine countermeasures ship USS Pioneer (MCM 9). Pioneer, part of Mine Countermeasures Squadron 7, is operating in the U.S. 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 Mass Communication Specialist 2nd Class Corbin J. Shea)