A team consisting of Senior Master Sgt. Ross, Airman 1st Class Patrick Cahill, Master Sgt. Jason Beardsley and Damon Eppenger-Campbell work together to flip tires during an Air-Base Defense Challenge May 12, 2010 at Security Hill, Misawa Air Base, Japan. The competition required teamwork with events such as a humvee push, water canister relay, litter carry and memory test. (U.S. Air Force photo/Senior Airman Jamal D. Sutter)