160224-N-MJ645-620 PHILIPPINE SEA – (Feb. 24, 2016) - Operations Specialist 3rd Class Jonathan G. Tolksdorf fires an MK-38 MOD II 25MM machine gun under the command of Gunner's Mate 2nd Class Nigel M. Pack during a live-fire exercise aboard the guided-missile destroyer USS Chung-Hoon (DDG 93). Providing a ready force supporting security and stability in the Indo-Asia-Pacific, Chung-Hoon is operating as part of the John C. Stennis Strike Group and Great Green Fleet on a regularly scheduled 7th Fleet deployment. (U.S. Navy photo by Mass Communication Specialist 2nd Class Marcus L. Stanley/Released)