A C-17 aircraft from the 535th Airlift Squadron at Joint Base Pearl Harbor-Hickam prepares for a landing Wheeler Army Airfield, Monday, Dec. 16. The C-17's arrival was part of a validation exercise for the 25th Infantry Division contingency response force mission, which is designed to deploy their soldiers at a faster pace, if needed, to the Pacific region. (Department of Defense photo by U.S. Navy Petty Officer Cynthia Clark/RELEASED)