Sentry Aloha 2009
A U.S. Air Force F-16C Fighting Falcons assigned to the 144th Fighter Wing, California Air National Guard, prepare to take-off from Hickam Air Force Base, Hawaii, while participating in Exercise Sentry Aloha Sept. 10 2009. The exercise brings dissimilar combat assets to Hickam AFB to train with the Hawaii Air National Guard's 199th Fighter Squadron. (U.S. Air Force photo by Staff Sgt. Charles P. Vaughn) (Released)