Petty Officer 1st Class Matthew Kamalo and Lt. Liz Hunter check the diving helmet of Petty Officer 1st Class Gregory Seufer prior to entry into the waters of Honolulu Harbor from the pier at Coast Guard Base Honolulu, July 30, 2015. Kamalo, acting as the dive supervisor, was immediately responsible for the safety of all personnel and the success of each dive the Regional Dive Locker Pacific crew conducted during their hard hat driver training. (U.S. Coast Guard photo by Chief Petty Officer Sara Mooers.)