The longest-range Russian R-37M missile used by Mig-31BM, Su-57 and Su-35S aircraft. R-37M air-to-air missile, extra long range, export name of the RVV-BD missile. The R-37M missile was put into service in 2004 and was created on the basis of the R-33 missile, which was previously discussed. The Russian R-37M missile is designed primarily to destroy reconnaissance aircraft and jammer aircraft at long range. The missile now has no analogues, since the range of hitting targets, according to test results, reached 304 kilometers; according to experts, the missile can hit targets at a range of up to 400 kilometers. The R-37M or RVV-BD missile can be used by Mig-31BM, Su-57 and Su-35S aircraft. When using external target designation, Russian aircraft using these missiles at long range become invulnerable to enemy aircraft and air defense systems. It is possible that missiles were also used in Ukraine, but this was not officially reported. The missile guidance system is inertial, with radio correction up to 100 kilometers and active radar homing at the final part of the flight path, which is about 40 kilometers. The R-37M missile is capable of hitting targets flying at speeds of up to 2,500 km/h at altitudes of up to 25 kilometers. The length of the R-37M rocket is 4.2 meters, weight 600 kg, warhead weight - 60 kg, rocket service life - 8 years.