"Tom Cooper" wrote

The AIM-47 also utilized dual-mode SARH/IR terminal homing, and it has
been
speculated that a 200kT nuclear warhead would have been fitted to
production
weapons at some point in the development process. This ultimately turned
out
to be both false and unnecessary, as on one occasion an AIM-47 trials
round
skewered the vertical tail of a QB-47 target drone. With such accuracy
nobody needed nukes.

Optical nuke?