150729-N-RZ218-013 RED SEA (July 29, 2015) Sailors assigned to Commander, Task Group (CTG) 56.1, launch an Mk 18 Mod 2 unmanned underwater vehicle from an 11-meter rigid-hull inflatable boat. CTG 56.1 conducts mine countermeasures, explosive ordnance disposal, salvage diving, and force protection operations throughout the U.S. 5th Fleet area of operations.