Confronting NATO tactical air is a spectrum of Warsaw Pact defenses including SAMs, AAA, and airborne interceptors plus jamming of communications, fire control radars, and navigation equipment. Aircrews faced with this array, trying to perform their primary mission, must be trained to cope with the total anticipated task-loading and at the same time become neither casualties nor disoriented such that they fail to achieve their mission objective. Current training on large EW ranges is considered inadequate due to the limited accessibility and the infrequency with which aircrews can experience such training. The Phantom Range, an onboard, computer-generated threat simulator, can be programmed to provide threats at given geographic locations, independent of ground emitters, with appropriate envelopes modified by actual existing terrain. It allows the aircrew to defeat the threat by exercising proper procedures, or be "killed" if their actions are inappropriate. The whole scenario is recorded for ground debriefing.