The Boeing C-17A Globemaster III entered Royal Canadian Air Force service in August 2007 with the delivery of the first an order of four aircraft.  Designated the CC-177 Globemaster in RCAF service, one additional aircraft was delivered after the completion of the initial order, for a fleet total of five.  The heavylift capability of the C-17 is unprecedented in RCAF history, and has proven invaluable to Canada, both at home and overseas.  They are operated by 429 'Buffalo' Squadron, based at 8 Wing at CFB Trenton, Ontario.