From what I was told by as former pilot who was stationed at Vahdati, The IIAF had brought an especially ready made F-4D squadron to Vahdati(Dezfull) from Sharokhi(Hamedan) and were on alert 5 to scramble and make air interdictions into Iraq as soon as the Iraqis opened fire from their side of the border.F-5F were to be used as CAS to.