Fairchild XSM-73 Bull Goose The Fairchild XSM-73 Bull Goose was a pilotless decoy missile designed in the 1950s to simulate the radar signatures of large bombers. If several ground-launched, intercontinental-range SM-73 decoys saturated and confused enemy defenses, the real bombers had a better chance of getting through to their targets. The Bull Goose carried electronic simulation and jamming equipment, and reflectors in its airframe made it look like a much larger aircraft on air defense radar