Airmen from the 615th Contingency Response Wing participated in a Chiefs Group push-up and sit-up competition during wingman day at Travis Air Force Base, Calif., on Aug. 26, 2011. Each of the three groups; 570th Contingency Response Group, 571st Contingency Response Group, 615th Contingency Operations Support Group and the 615th CRW command and staff agencies provided 10 people from each group to do as many push-ups and sit-ups as they could in five minutes. The grand total was 621 push-ups and 4,638 sit-ups. (U.S. Air Force photo/Tech. Sgt. Lesley Waters)