ELLSWORTH AIR FORCE BASE, S.D. -- (Left to right) Airman Kaitlin Walker, 28th Bomb Wing radio and television broadcaster, puts her leg muscles to the test as Airman 1st Class Elimae Gilchrist, 28th Force Support Squadron fitness specialist, tracks her results during a fitness assessment, March 9. The leg press tones both leg and abdomen muscles which can improve run times. (U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)