180905-N-PB086-0067 PANAMA CITY, Fla. (Sept. 5, 2018) Rear Adm. Tom Anderson, right, commander of Naval Surface Warfare Center, and Cmdr. Jay Young, commanding officer of Naval Experimental Diving Unit (NEDU), don KM-37 dive helmets as they are submerged in the NEDU test pool, Sept. 6, 2018. (U.S. Navy photo by Ron Newsome/Released)