US and ROKAF participate in a joint large force exercise

Airmen from the 8th Aircraft Maintenance Squadron conduct a final check on an F-16 Fighting Falcon during a large formation exercise at Kunsan Air Base, Republic of Korea, May 31, 2013. More than 30 F-16 Fighting Falcon pilots participated in the exercise, which featured numerous scenarios designed to test and hone their skills and abilities. (U.S. Air Force photo by Senior Airman Marcus Morris/Released)

US and ROKAF participate in a joint large force exercise

Senior Airman Cody Newell, 8th Aircraft Maintenance Squadron, marshals an aircraft for a final check before take-off during a large formation exercise at Kunsan Air Base, Republic of Korea, May 31, 2013. The exercise helped foster communication and the sharing of tactics and procedures between the U.S. and ROK air forces. (U.S. Air Force photo by Senior Airman Marcus Morris/Released)

FOAL Eagle Friendship Jump

Soldiers from the Republic of Korea army 7th Special Forces Brigade, 35th Special Forces Battalion parachute out of a MC-130P Combat Shadow from Kadena Air Base, Japan as part of the annual FOAL Eagle exercise near Iksan, Republic of Korea, April 4, 2013. FOAL Eagle provides valuable bilateral military training to the participating service members and prepares them for any potential scenario that may arise. (U.S. Air Force photo by Senior Airman Marcus Morris/Released)

FOAL Eagle Friendship Jump

Soldiers from the Republic of Korea army 7th Special Forces Brigade, 35th Special Forces Battalion quickly mobilize after landing in a field near Iksan, Republic of Korea, April 4, 2013, during an annual FOAL EAGLE exercise. This exercise demonstrates alliance commitment to the defense of the ROK through combined and joint training. (U.S. Air Force photo by Senior Airman Marcus Morris/Released)

FOAL Eagle Friendship Jump

Soldiers from the Republic of Korea army 7th Special Forces Brigade, 35th Special Forces Battalion parachute out of a MC-130P Combat Shadow from Kadena Air Base, Japan as part of the annual FOAL Eagle exercise near Iksan, Republic of Korea, April 4, 2013. FOAL Eagle is a joint forces exercise spanning ground, air, naval, expeditionary and special operations. (U.S. Air Force photo by Senior Airman Marcus Morris/Released)

FOAL Eagle Friendship Jump

Republic of Korea army 7th Special Forces Brigade, 35th Special Forces Battalion soldiers do a final operations check on gear before they enter a MC-130P Combat Shadow from Kadena Air Base, Japan for jump training at Kunsan Air Base, Republic of Korea, April 4, 2013. This was an annual FOAL Eagle exercise designed to enhance readiness and the ability to respond to any potential contingency that might arise. (U.S. Air Force photo by Senior Airman Marcus Morris/Released)