Airman building Airmen
Senior Airman Alberto Mosqueda, 2nd Force Support Squadron guest services representative, does push-ups at the Senior Airman Bryan Bell Fitness Center at Barksdale Air Force Base, La., Jan. 21, 2018. Mosqueda utilizes the core pillars of fitness which are muscular strength, muscular endurance, cardiovascular endurance, flexibility and body fat composition. (U.S. Air Force photo by Airman 1st Class Sydney Campbell)