US Marines patrol during a tactical exercise to recover aircraft and personnel at an undisclosed location in Southwest Asia

From the U.S. Department of Defense (DOD):

US Marines patrol during a tactical exercise to recover aircraft and personnel at an undisclosed location in Southwest Asia, Dec. 28, 2015. The #Marines are assigned to 1st Battalion, 7th Marine Regiment, Special Purpose Marine Air-Ground Task Force-Crisis Response-Central Command.

U.S. Marine Corps photo by Lance Cpl. Clarence Leake