Maj. Christina Liegl, 315th Airlift Wing flight safety officer and fitness program manager, gives Staff Sgt. Calandra G. Cook a challenge to finish strong by running with her on the last lap of her bi-annual physical fitness test July 11, 2010 at the base running track here. Maj. Liegl is a 315 AW flight safety officer and fitness program manager Sergeant Cook is a supply technician with the 38th Aerial Port Squadron here. (U.S. Air Force photo/Staff Sgt. Shane Ellis)