The wing originated as the ' '' 3973d Air Base Squadron ' '' on 1 January 1957 , replacing the ' '' 7605th Air Base Squadron ' '' of United States Air Forces Europe , which had opened Moron AB for United States Air Force use . The wing trained and equipped personnel at Moron as well as supported CHROME DOME operations with Boeing KC-135 Stratotanker refueling B-52 Stratofortress aircraft . On 4 February 1965 REFLEX operations for Boeing B-47 Stratojet aircraft ended and the wing focused on other missions . CHROME DOME operations terminated on 23 January 1966 at the request of the Spanish government , following the crash of a B-52 near Palomares B-58 Hustler aircraft deployed from the 43d Bombardment Wing at Carswell AFB , Texas arrived at Moron 22 July 1964 for ALARM BELL operational training , remaining on station until September
Palomares
1966 Palomares B-52 crash
3973d Strategic Wing