Staff Sgt. Calandra G. Cook performs sit-ups during her bi-annual physical fitness test July 11, 2010 at the base running track here. With the new standards, the run counts for 60 percent of the test, while body composition counts for 20 percent, followed by push-ups and sit-ups at 10 percent each. Under the old standards, the run counted for 50 percent, the body composition counted for 30 percent with the push-ups and sit-ups remaining the same. Sergeant Cook is a supply technician with the 38th Aerial Port Squadron here. (U.S. Air Force photo/Staff Sgt. Shane Ellis)