A-A Air-to-Air. AA-8 Aphid NATO designation for the Russian R-60 IR missile. AA-10 Alamo NATO designation for the Russian R-27 radar missile. AA-11 Archer NATO designation for the Russian R-73 IR missile. AAA Anti-Aircraft Artillery. ace A pilot who has shot down five or more enemy aircraft. ACT Air Combat Tactics. action The point of the initial position-to-target run where the pre-briefed maneuver begins. ADI Attitude display indicator. afterburner (AB) Acceleration over and above normal aircraft power, achieved by burning additional fuel in the jetpipe. A-G Air-to-Ground. AGM American designation for Air-to-Ground Missiles. AGM-65 An optically guided air-to-ground missile. aileron A trailing-edge wing control surface used to roll an aircraft. AIM Air Intercept Missile. aiming reticle A visual aid to help improve a pilot's probability of hitting a target. If a target is inside this reticle, the pilot has a good chance of hitting it.