HILL AIR FORCE BASE, Utah -- Col. Aaron S. Cowley (right), incoming 309th Missile Maintenance Group commander, accepts the guidon from Maj. Gen. C. McCauley von Hoffman, Ogden Air Logistics Complex commander, during a change of command ceremony July 12, 2021, at Hill Air Force Base, Utah. As part of the OO-ALC, the mission of 309th MMXG spans seven states and five Air Force bases around the country with over 750 personnel. Their mission provides quality depot maintenance, modification and manufacturing for a wide array of nuclear enterprise equipment and strategic ground support systems for intercontinental ballistic missiles and air launched cruise missiles in addition to a wide variety of conventional weapon systems.