crossfit
Senior Master Sgt. Jason Theriault, 7th Air Force Emergency Services and lead Osan Crossfit instructor, records the times of particpatants completing their workout during a class at the Osan Fitness Center Dec. 18, 2012. The program consists of the workout of the day, and participants push to complete it as fast as they can. (U.S. Air Force photo/Airman 1st Class Alexis Siekert)