170731-N-HE318-004 SEA OF JAPAN (July 31, 2017) Sailors assigned to the Avenger-class mine countermeasures ship USS Pioneer (MCM 9) train with an M2HB .50-caliber machine gun during a live-fire weapons training evolution after completion of 2JA 2017 Mine Countermeasures Exercise (2JA-17 MCMEX). Pioneer is forward deployed to Sasebo, Japan, serving as a forward mine countermeasures capability in the Indo-Asia-Pacific region. (U.S. Navy photo by Mass Communication Specialist 2nd Class William McCann/Released)