A U.S. Air Force C-17 Globemaster III from the Pacific Air Forces Demonstration Team performs an aerial display during the 2012 Singapore Airshow in Changi, Singapore, Feb. 15, 2012. The PACAF C-17 demo team is part of the 535th Airlift Squadron and is based out of Joint Base Pearl Harbor-Hickam, Hawaii. (U.S. Air Force photo/U.S. Air Force Tech. Sgt. Michael R. Holzworth)