AA-12 Adder

The Russian R-77 (NATO AA-12 Adder) is a long-range, "launch and leave" air-to-air missile (AAM) that uses active radar guidance. Its closest non-Russian counterpart is the U.S. AIM-120 AMRAAM , which is also an active-radar-seeker, beyond-visual-range (BVR) missile.

The missile's body has a constant diameter and an ogival nose. It is as long as the AMRAAM, but has a 1-in (25.4-mm) greater diameter. Long-chord, ultra-low-aspect ratio mainplanes are set well aft of midpoint in a...