U.S. Air Force Staff Sgt. Donald Sweeney, 362 Training Squadron, Detachment 1, HH-60W helicopter repair instructor, supervises Airman Basic Christian Nowak utilizing the Interactive Electronic Technical Manual (IETM) during hands-on training at Joint Base Langley-Eustis, Virginia, Mar. 2, 2023. The IETM is a web-based electronic “library” of aircraft support documentation and illustrations, providing rapid access to principles of operation manuals, testing and troubleshooting procedures, maintenance procedures, illustrated parts breakdown manuals, and various supporting documentation. (U.S. Air Force photo by Abraham Essenmacher)