170320-N-WT427-034 WATERS WEST OF THE KOREAN PENINSULA (March 20, 2017) Engineman 3rd Class Mark Ray aligns lube oil polisher in the main machinery room aboard the mine countermeasures ship USS Warrior (MCM 10). The ship is participating in Foal Eagle 2017, a series of joint and combined field training exercises conducted by Combined Forces Command and U.S. Forces Korea ground, air, naval and special operations component commands. Approximately 10,600 U.S. forces are operating alongside Republic of Korea forces. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jermaine M. Ralliford/Released)