R-77 (AA-12 Adder)

Russia's principal active-radar-homing beyond-visual-range air-to-air missile family, developed as a counterpart to the AIM-120 AMRAAM and carried by Flanker and Felon fighters.

Overview

The R-77, designated AA-12 Adder by NATO and marketed for export in its original form as the RVV-AE, is a Russian beyond-visual-range air-to-air missile family developed by Vympel. Its combination of inertial mid-course guidance, datalink correction and an active radar seeker placed it in the same general class as the US AIM-120 AMRAAM. The missile's superficial resemblance in role prompted Western journalists to call it the "Amraamski" after its public appearance at the 1992 Moscow air show, according to the R-77 reference history.

The family encompasses the original R-77, the improved R-77-1 and export RVV-SD, and the substantially redesigned R-77M and export RVV-SDM. The basic missile is associated with an 80 km maximum range, while the R-77-1/RVV-SD is credited with 110 km. Published figures of up to ~190 km for the R-77M are estimates rather than official Russian performance data, and its true kinematic range and no-escape zone remain undisclosed.

Early production depended on cooperation between Russian and Ukrainian enterprises, limiting Russian domestic availability during the 1990s and 2000s. An import-substitution program after 2014 produced an all-Russian supply chain for the R-77-1. Since 2022, that version has become an important armament for Russian Su-35S and Su-30SM fighters operating against Ukraine, while imagery and recovered wreckage reported in 2025 provided the first public indications that the longer-ranged R-77M had entered operational use.

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