U.S. Army Pvt. Rachael Pixler, 128th Aviation Brigade Advanced Individual Training student, works on a UH-60 Blackhawk main landing gear break at Fort Eustis, Va., June 18, 2015. Throughout the 16-week course, the maintainers learn periodic and repair maintenance for the aircraft’s hydraulic, mechanical and rotor systems. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)