OSAN AIR BASE - Onward Movement

OSAN AIR BASE, South Korea—The sun sets March 19 on participants in exercise Reception Staging Onward Movement and Intergration as they get off a jet here. The annual exercise tests the ability of the U.S. and South Korean militaries to receive forces, process them and move them into position to defend South Korea. (U.S. Air Force photo by Staff Sgt. Stacy Pearsall)