Combat Fitness
People at Sheppard Air Force Base, Texas, practice Olympic-style weight lifting April 9, 2010, during a workout that is part of the Combat Fit program offered by the Health and Wellness Center there. Combat Fit participants perform weight lifting, cardio workouts, plyometrics and other types of exercises to improve combat readiness. (U.S. Air Force photo/Tech Sgt. Vernon Cunningham)