U.S. Air Force Senior Airman Tyler Spohn, crew chief with the New Jersey Air National Guard’s 177th Fighter Wing, performs final safety checks under the wing of an F-16D Fighting Falcon as he preps the jet for launch at Operation Snowbird at Davis-Monthan Air Force Base, Ariz., Feb. 26, 2014. The 177th unit members traveled to Arizona to take advantage of the Snowbird facility with its optimal conditions for U.S. military flying units. (U.S. Air National Guard photo by Master Sgt. Andrew J. Moseley/Released)