151117-N-JC374-086 ARABIAN GULF (Nov. 17, 2015) Unmanned underwater vehicle (UUV) operators assigned to Commander, Task Group (CTG) 56.1 transit through the Arabian Gulf to launch a MK 18 MOD 1 UUV during a U.S.-U.K. Mine Countermeasures Exercise (MCMEX). U.S.-U.K. MCMEX is designed to improve interoperability and evolve the expeditionary mine countermeasures company concept of employment from an afloat forward staging base and afloat platforms of opportunity. (U.S. Navy Combat Camera photo by Mass Communication Specialist 3rd Class Jonah Stepanik/Released)