Master Sgt. Mike Walker, 931st Force Support Squadron career advisor, lifts weights during his second of three daily workouts, Nov. 2, 2010, at McConnell Air Force Base, Kan. Sergeant Walker was able to lose 24 pounds and six inches off of his waist in four months, drastically improving his physical fitness test score. (U.S. Air Force Photo/Senior Airman Abigail Klein)