Changi, Singapore — The Commander in Chief of the Russian Air Force Col. Gen. Alexander Zelin climbs aboard a U.S. Air Force E-3 Sentry on Feb. 15, 2012, at the 2012 Singapore Airshow. The biennial Singapore Airshow, while being the third largest trade show in the world also provides the opportunity for Airmen from many different countries to interact and improve foreign relations. (Department of Defense photo by U.S. Air Force Tech. Sgt. Michael R. Holzworth/Released)