U.S. Marine Corps Cpl. Madeline Prine, right, an automotive maintenance technician with 7th Communication Battalion, III Marine Expeditionary Force Information Group, reviews scuba diving techniques with Sgt. Dennis Ruiz, left, an infantry assault Marine with 2nd Battalion, 7th Marine Regiment, 1st Marine Division, on Camp Schwab, Okinawa, Japan, March 24, 2022. Prine is a certified scuba instructor through the Professional Association of Diving Instructors. (U.S. Marine Corps photo by Cpl. Alex Fairchild) - U.S. Marine Corps Cpl. Madeline Prine, right, an automotive maintenance technician with 7th Communication Battalion, III Marine Expeditionary Force Information Group, reviews scuba diving techniques with Sgt. Dennis Ruiz, left, an infantry assault Marine with 2nd Battalion, 7th Marine Regiment, 1st Marine Division, on Camp Schwab, Okinawa, Japan, March 24, 2022. Prine is a certified scuba instructor through the Professional Association of Diving Instructors. (U.S. Marine Corps photo by Cpl. Alex Fairchild)