U.S. Air Force Senior Airman Parnelle Shands, 317th Aircraft Maintenance Squadron crew chief, practices his long jump at Abilene Christian University May 18, 2015, in Abilene, Texas. Shands competed in long jump at the 2015 Headquarter Air Command Track and Field Championship and won 1st place. (U.S. Air Force photo by Senior Airman Shannon Hall/Released)