 Yugoslavia purchased its first batch of MiG-21s in 1962 from the Soviet Union.In the period from 1962 to the early 1980s Yugoslavia had purchased 261 MiG-21s in ten variants.There was 41 MiG-21f-13, 36 MiG-21PfM, 25 MiG-21M, 6 MiG-21MF, 46 MiG-21bis, 45 MiG-21bisK, 12 MiG-21R, 18 MiG-21U, 25 MiG-21UM and 7 MiG-21US.