200629-M-GD947-1110 OKINAWA, Japan (June 29, 2020) Marines with the 31st Marine Expeditionary Unit (MEU), and Battalion Landing Team 2nd Battalion, 4th Marines, test radio connections during a communications exercise at the Jungle Warfare Training Center, Okinawa, Japan, June 29, 2020. The exercise was conducted to test the 31st MEU�s long range, non-satellite communication abilities in an austere environment. 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 photo by Lance Cpl. Katherine E. Cottingham/Released)