220728-F-AB266-2001
U.S. Air Force Airman 1st Class Jacob Helzer, 100th Maintenance Squadron hydraulics maintenance journeyman, uses the Boom Cover Tool on a KC-135 Stratotanker aircraft at Royal Air Force Mildenhall, England, July 22, 2022. The Boom Cover Tool, created by Helzer, is expected to save 40,000 man-hours and $1 million annually. (U.S. Air Force photo by Airman 1st Class Alvaro Villagomez)