Jan 19, 1991 mig-25 vs F-15

Had a question about the famous air battle on jan 19 in which 2 x f-15s shot down 2 x mig-25

what versions of mig-25 were shot down ?

Did the mig-25 fire any missiles at the F-15s ?

was there any AWACS support for the F-15s ?

thanks