Navy Petty Officer 2nd Class Dan Lehne, right, demonstrates to U.S. and Australian divers how to scrape marine growth from a pile during pier maintenance training led by Navy Underwater Construction Team 2 as part of Rim of the Pacific 2016 at Joint Base Pearl Harbor-Hickam, Hawaii, July 12, 2016. Lehne is a construction electrician assigned to Underwater Construction Team 2. Navy photo by Petty Officer 1st Class Charles E. White