U.S. Army Pfc. Nicholas Unangst, left, 1st Battalion, 210th Aviation Regiment, 15H student, asks Sgt. Shawn Wright, Charlie Company, 1st Battalion, 210th Aviation Regiment, instructor, a question about the aviation ground power unit during hands-on training to become an aircraft pneudraulic repairer at Joint Base Langley-Eustis, Virginia, January 23, 2023. During the 14 week-long course, students will learn to perform maintenance on aviation pneudraulic systems such as landing gear, rudders, and brakes. (U.S. Air Force photo by Abraham Essenmacher)