Staff Sgt. Miles Warwick, 10th Flight Test Squadron aircrew flight equipment technician, prepares an HGU-55/P fixed wing helmet system for inspection July 25, 2018, at Tinker Air Force Base, Okla. Warwick is responsible for performing inspections, maintenance and adjustments of assigned flight equipment for B-1, B-52, E-3 and KC-135 aircrew with the 10th FLTS. (U.S. Air Force photo by Jamal D. Sutter)