,'. ^ ..- I. v -..-' .,"-.' *.. *:' .*' ' at *'* ".'' You're not the type to piddle around with the joy stick on your Entac guid- ance control unit. Of course not. But, watch out for the guy with time on his hands and the imagination of a fly-boy. Sooner or later, he'll get to yanking that stick back and forth . doing power dives, figure-eights, and what have you. Yeah, what, indeed! A kaput GCU, that's what! That stick fits into a rubber boot. The boot protects the electronic com- ponents that guide the Entac to the target. Rough treatment of that stick weakens or loosens the boot. This lets dirt and stuff into the electronic parts. y;I _A f '___1*