Physical fitness
Staff Sgt. John Brennan lifts weights Nov. 9, 2010, at the base fitness center at McConnell Air Force Base, Kan. Sergeant Brennan is the 22nd Aircraft Maintenance Squadron crew chief. He scored a 69.4 on his initial physical training test, and after working out for 90 days, he retested and scored 93.7. (U.S. Air Force photo/Airman 1st Class Armando A. Schwier-Morales)