18th FIS: Sentinels of the Arctic
EIELSON AIR FORCE BASE, Alaska -- Airmen assigned to the 18th Fighter Interceptor Squadron showcase their mission at Eielson Air Force Base, Alaska, March 3, 2025. The 18th Fighter Interceptor Squadron currently stands as the only active duty FIS in the U.S. Air Force, ready to intercept and deter adversaries in and around the Alaskan Air Defense Identification Zone.