In the end of 60s the Mikoyan Design Bureau was developed the world’s first interceptor fighter with speed of Mach 3 – the MiG-25.
At the same time high reconnaissance-bomber modification was designed, which was called the MiG-25RB.
Strike anti-radar MiG-25BM modification on MiG-25RB base was produced since 1977 (40 examples). It had new nose with radar and 4 anti-radar X-58U missiles. These planes served in Soviet (later – Russian) Air Force.