190123-N-VG873-0012 KEY WEST, Fla. (Jan. 23, 2019) Builder 2nd Class Steven Balsavich, left and Chief Steelworker Liam O'Brien, both assigned to Underwater Construction Team (UCT) 1, conduct pre-dive checks during diver-qualification training on Naval Air Station Key West. Each dive team under UCT-1 must undergo diver readiness and certification training before deploying to support Naval operations by conducting construction, inspection, repair and maintenance of ocean facilities. (US Navy Photo by Mass Communication Specialist 2nd Class Austin L. Simmons/Released)