Cody Shields competes in the push-up portion of the Commander's Fitness Challenge Oct. 3 behind the Charleston AFB fitness center. Shields is with the 14th Airlift Squadron and completed 97 push-ups for the event. (U.S. Air Force photo/Airman 1st Class Timothy Taylor)

Todd Cyr completes the sit-up portion while his partner, Kenny Maeng, counts his completed repetitions during the Commander's Fitness Challenge at the Charleston AFB Fitness Center Oct.3. The Commander's Fitness Challenge is held monthly to promote fitness and esprit de corps. Cyr and Maeng are with the 437th Aerial Port Squadron. (U.S. Air Force photo/Airman 1st Class Timothy Taylor)

Participants watch and count the push-ups their partners complete during the Commander's Fitness Challenge behind the Charleston AFB fitness center Oct. 3. The Commander's Fitness Challenge is held monthly to promote fitness and esprit de corps. (U.S. Air Force photo/Airman 1st Class Timothy Taylor)

Participants begin the run portion of the Commander's Fitness Challenge in the first heat of the 1.5-mile run behind the Charleston AFB fitness center Oct. 3. The Commander's Fitness Challenge is held monthly to promote fitness and esprit de corps. (U.S. Air Force photo/Airman 1st Class Timothy Taylor)

Charleston Airmen from various squadrons and groups gather behind the base fitness center to participate in the Commander's Fitness Challenge Oct. 3. The Commander's Fitness Challenge consisted of push-ups, sit-ups and a 1.5-mile run ending with the top two teams competing in tug-of-war to determine the first place winners. (U.S. Air Force photo/Airman 1st Class Timothy Taylor)