Airman 1st Class Johnnathan Feliz Aquino, 75th Force Support Squadron, assists Capt. Nathan Demers, 775th Civil Engineering Squadron, processing a mobility line during a readiness exercise, Feb. 4, 2019, at Hill Air Force Base, Utah. During the exercise, Airmen were assessed on performing different tasks to improve their operational readiness. (U.S. Air Force photo by Todd Cromar)