190409-N-TI693-0013 NORTH SEA (April 9, 2019) Gunner’s Mate 2nd Class Ryne Francis from Carver, Minnesota, front, and Gunner’s Mate 1st Class Conner Mastry from Belize City, Belize, conduct maintenance on a Mark 38 MOD 2 25 mm chain gun system aboard the Arleigh Burke-class Guided-missile destroyer USS Carney (DDG 64) during exercise Joint Warrior 19-1, April 9, 2019. Joint Warrior is a United Kingdom-led, multinational exercise in a robust maritime training environment in which allies and partners can improve interoperability and prepare forces for combined operations. (U.S. Navy photo by Mass Communication Specialist 1st Class Fred Gray IV/Released)