190213-N-WO291-508 PORT HUENEME, Calif. (Feb. 13, 2019) Equipment Operator 2nd Class Thomas Dahlke, assigned to Underwater Construction team (UCT) 2, and Master Chief Petty Officer of the Navy Russell Smith discuss the capabilities of the new KM 97 surface supplied diving helmet. (U.S. Navy photo by Engineering Aid 1st Class Heather N. Salzman/Released)