435th Training Squadron Change of Command
Col. Sarah Kaiser, U.S. Air Force Expeditionary Operations School commandant, left, and Lt. Col. Zachary Unger, 435th Training Squadron, outgoing commander, stand ready for the passing of the guidon during the 435th TRS Change of Command on Scott Air Force Base, Illinois, May 28, 2025. The EOS plays a vital role in readying over 40,000 Total Force Airmen and Joint partners every year. (U.S. Air Force photo by Senior Airman Violette Hosack)