Fittest Fighter Challenge
JOINT BASE BALAD, Iraq--Master Sgt. Juan Salazar, left, and Senior Airman Anastacia Barela, right, 332nd Expeditionary Medical Operations Squadron medical technicians, run to their next obstacle during the Fittest Fighter challenge April 9, 2011. The Fittest Fighter competition is designed to promote healthy fitness and nutritional lifestyles. The 40 participants lost 357.2 pounds. (U.S. Air Force photo/ Staff Sgt. Keyonna Fennell)