U.S. Air Force Maj. Gen. Randall Reed, Third Air Force commander, left, presents the guidon to Col. Bryan Callahan, incoming 435th Air Ground Operations Wing and 435th Air Expeditionary Wing commander, during an assumption-of-command ceremony at Ramstein Air Base, Germany, July 9, 2021. Callahan replaced Col. Daniel C. Clayton as 435th AGOW and 435th AEW commander after serving as the vice commander of the 49th Wing at Holloman Air Force Base, New Mexico. The 435th AGOW and 435th AEW are charged with providing battlefield and expeditionary Airmen to combatant commanders and are capable of responding to humanitarian and contingency operations throughout the world. (U.S. Air Force photo by Senior Airman John R. Wright)