Mikoyan-Gurevich MiG-21SPS / Fishbed-F. Pics mine at Midland Aviation Museum. To avoid confusion with the local "MiG-21PFM" designation given to the modified MiG-21PF, the East German air force re-designated the "real" MiG-21PFM of izdeliye 94A as "MiG-21SPS."(From wikipedia)
Mikoyan