Staff Sgt. Keith Stolberg and Airman 1st Class Shaun Swift add more push-ups to their totals during a session Jan. 13, 2010, at Elmendorf Air Force Base, Alaska. Participating Arctic medics have completed more than 225,600 push-ups since the challenge began Dec. 15, 2009. Sergeant Stolberg and Airman Swift are members of the 3rd Medical Support Squadron's Logistics Flight. (U.S. Air Force photo/Senior Airman David Carbajal)