R-77
- Type
- Air-to-Air Missile
- Manufacturer
- Vympel
- Country
- Russia
- Guidance
- Active Radar Homing
- Range
- 110 km
- Year Introduced
- 1994
- Warhead
- High Explosive
The R-77 (NATO reporting name: AA-12 Adder) is a medium-range active radar homing air-to-air missile developed by Russia. It is the Russian counterpart to the American AIM-120 AMRAAM. The missile features a unique lattice fin design to enhance its maneuverability, especially at high angles of attack.