EIELSON AIR FORCE BASE, Alaska --  

U.S. Air Force Col. Antonio Alvarado, 354th Mission Support Group commander relinquishing the guidon to Lt. Col. Brendon Dorsey-Spitz, incoming 354th Civil Engineering Squadron commander during a change of command ceremony June 28, 2024, at Eielson Air Force Base, Alaska. The 354th CES maintains the base infrastructure including buildings, roads and the flight line and is responsible for other municipal services including refuse collection, recycling and fire prevention and protection.