 In 1977, the Air Force sent the F-111F aircraft from Mountain Home to the 48th Tactical Fighter Wing at RAF Lakenheath, England, in a move to modernize its European forces.In return, the 366th received F-111A aircraft from Nellis AFB, Nevada, where they equipped the 389th and 391st Squadrons.In March 1980, the Air Force announced plans to base EF-111A Raven electronic combat aircraft at Mountain Home.