от МиГ-21Р к МиГ-21С

Stage of evolution MiG-21fighter from MiG-21R to MiG-21S . 0:01 Ye-7R tactical reconnaissance aircraft prototype (converted MIG-21PFS) . 0:11 MiG-21R tactical reconnaissance aircraft . 1:02 MiG-21R (was fitted experimentaly with the RP-22 radar) . 1:11 converted MiG-21PF(was fitted experimentaly with the RP-22 radar and tested R-3R missiles ) . 1:32 MiG-21S second prototype . 1:50 MiG-21S was built serially in the period 1965 −1968