Navy Petty Officer 1st Class Jesse Hamblin, left, observes as Army Pfc. Timothy Sparks brazes a wire to exposed rebar during a pier maintenance training mission as part of Rim of the Pacific 2016 at Joint Base Pearl Harbor-Hickam, Hawaii, July 12, 2016. Hamblin is a steelworker assigned to Underwater Construction Team 2, which led the training. Navy photo by Petty Officer 1st Class Charles E. White