U.S. Air Force Senior Master Sgt. Krystoffer Miller, 60th Security Forces Squadron operations superintendent, center right, receives a certificate from Col. Jay Johnson, left, 60th AMW commander, and Chief Master Sgt. Laura Hoover, right, 60th AMW command chief, after his notification of promotion to chief master sergeant at Travis Air Force Base, California, Nov. 5, 2024. Chief master sergeants are charged to serve as mentors to enlisted personnel and advisers to their respective unit commanders and officers. (U.S. Air Force photo by Senior Airman Lauren Jacoby)
