170920-N-EY938-009 MEDITERRANEAN SEA (Sept. 20, 2017) Turkish dive technicians prepare an atmospheric diving suit designed for deep sea diving aboard the Turkish navy submarine rescue ship TCG Alemdar (A-582) prior to launching a diver as part of NATO submarine escape and rescue exercise Dynamic Monarch 2017 while off the coast of Marmaris, Turkey. (U.S. Navy photo by CMDR. Denver Applehans/Released)