Sparks Flying Air Force Cadet 1st Class Ryan Hebert forges a knife in the U.S. Air Force Academy’s mechanical engineering department in Colorado Springs, Colo., March 11, 2024. Cadets in the senior-level physical metallurgy course constructed a knife for their class project. SHARE: Download: Full Size (1.84 MB) Tags: Colorado, ENGINEERING, Air Force Credit: Trevor Cokley, Air Force VIRIN: 240311-O-QF091-4171Y.JPG Photo Gallery