Ok, this has happened EVERY time I have tried this level:
SPOILERS
http://www.xfire.com/video/6bf67/
The Nuke gun won’t lock on. Now it also happens on the 2nd arm. WTF do I do?
Btw, I have the 1.2 patch, and I’m running on XP 32bit.
I had that problem a few times. To fix, you could try a much earlier save (as in, a load in the previous map), and then try it again, as I did.