130116-N-IZ904-289 KEY WEST, Fla. (Jan. 16, 2013) Lt. James Johncock, executive officer of Underwater Construction Team (UCT) 1, supervises as Builder 1st Class Christopher Etter, also from UCT-1, uses an underwater welding torch during dive training operations. (U.S. Navy photo by Chief Mass Communication Specialist Shane Tuck/Released)