Marines Suit Up for Underwater Raid Training

Amphibious Reconnaissance Marines with the 31st Marine Expeditionary Unit conduct clandestine subsurface infiltration during an amphibious reconnaissance operation on Camp Schwab, Okinawa, Japan, June 22, 2020. The 31st MEU, the Marine Corps' only continuously forward-deployed MEU, provides a flexible and lethal force ready to perform a wide range of military operations as the premier crisis response force in the Indo-Pacific region. (Official U.S. Marine Corps video)