U.S. Air Force Airman 1st Class Joshua Marnell, 7th Equipment Maintenance Squadron hydraulics system apprentice, inspects the hydraulic lines on a B-1B Lancer, at Dyess Air Force Base, Texas, June 12, 2017. Hydraulic Airmen are responsible for finding and repairing fluid leaks and the serviceability of all hydraulic components. (U.S. Air Force photo by Senior Airman Austin Mayfield)