Seaman Lucas Jackson, center, Underwater Construction Team (UCT) 2, assigned to Commander, Task Force (CTF) 75, gives the “ok” signal to the diving supervisor after completing diving operations in Diego Garcia Nov. 4, 2016. CTF 75 is the primary expeditionary task force responsible for the planning and execution of coastal riverine operations, explosive ordnance disposal, diving engineering and construction, and underwater construction in the U.S. 7th fleet area of operations. (U.S. Navy Combat Camera Photo by Petty Officer 2nd Class Daniel Rolston)