Structures Airmen with the 823rd Rapid Engineer Deployable Heavy Operational Repair Squadron Engineer Squadron, or RED HORSE, from Hurlburt Field, Fla., complete a roofing project at Tyndall Air Force Base, Fla., Oct. 20, 2018. Air Combat Command has mobilized multiple relief assets in an effort to restore operations after Hurricane Michael caused catastrophic damage to the base.(U.S. Air Force photo by Master Sgt. Russ Scalf)