MCCHORD AIR FORCE BASE, Wash., -- Several C-17 Globemaster III's sit on the flightline prior to being cleared for takeoff as part of a formation training from McChord AFB. The AIr Force announced Jan. 21 a new sustainment strategy for the C-17 which will begin in FY2012 and be phased in over time. (U.S. Air Force photo/Abner Guzman)