080103-F-2034C-008
Staff Sgt. John Eller conducts pre-flights check on his C-17 Globemaster III Jan. 3 prior to taking off from Hickam Air Force Base, Hawaii for a local area training mission. Recently a team under the direction of the Air Force Life Cycle Management Center's C-17 Program Office completed Block 21 upgrades on the entire fleet of 275 C-17 aircraft operated by the U.S. Air Force and eight allied countries. (U.S. Air Force photo/Tech. Sgt. Shane A. Cuomo)