The AIM-7 Sparrow (AIM standing for Air Intercept Missile) is a medium-range, semi-active radar-guided air-to-air missile developed by the United States. It is designed for beyond-visual-range (BVR) engagements, requiring the launch aircraft to maintain radar lock on the target until impact. In the mid-1960s, the most common variant is the improved AIM-7E, which features a solid rocket motor, an effective range of approximately 50km and a continuous-rod warhead. However, during the Vietnam War American pilots have found no fondness for the Sparrow; recurrent technical issues, strict rules of engagement and the hot, humid climate have made