AIM-9 Sidewinder 1970. These were followed from the mid-seventies by the AIM-9L/P which was a substantial improvement on the early versions, particularly with an improved SR-116 reduced-smoke rocket motor. The third generation of the missile (AIM-9L/M) are all-aspect missile which share little in common with the earlier missiles. The name "Sidewinder" was selected in 1950 and is the common name of "Crotalus cerastes", a venomous rattlesnake, which uses infrared sensory organs to hunt warm-blooded prey. Originally called the Sidewinder 1, the first live firing was on 3 September 1952. The missile intercepted a drone for the first time on the 11 September
AIM-9 Sidewinder the earlier vacuum tube designs. The Ault report had a strong impact on Sidewinder design, manufacture, and handling. Once the Air Force adopted the Sidewinder as part of its arsenal, it developed the AIM-9E, introducing it in 1967. The "Echo" was an improved version of the basic AIM-9B featuring larger forward canards as well as a more aerodynamic IR seeker and an improved rocket motor. The missile, however still had to be fired at the rear quarter of the target, a drawback of all early IR missiles. Significant upgrades were applied to the first true dogfight version, the AIM-9J, which