OKINAWA, Japan (April 29, 2022) Sailors assigned to 3d Reconnaissance Battalion, 3d Marine Division, operate an enhanced diver propulsion device (EDPD) during a dive at Camp Schwab in Okinawa, Japan, April 29, 2022. The EDPD is an advanced combat diving system used by Reconnaissance Marines and Navy Divers that increases the range and speed of the operator during amphibious operations. (U.S. Marine Corps photo by Cpl. Jerry Edlin)