200520-M-GB409-1007 HENEKO, Okinawa (May 20, 2020) Corpsman 3rd Class Taylor Hale, left, and Sgt. Trevor Lynch, a reconnaissance Marine assigned to 3rd Reconnaissance Battalion, 3rd Marine Division, wearing their underwater equipment during a Marine Corps Combat Diving Supervisors Course at Camp Schwab, Okinawa, Japan, May 20, 2020. The course lasts two weeks and allows the Marines to be supervisors in charge of their platoon while conducting diving operations. (U.S. Marine Corps photo by Cpl. Savannah Mesimer/Released)