When the Demoman finally gets his hands on booze again he gives in and glugs it down to smash cut to him passed out at the missle launch console to which we very quickly learn what he was up to.
Administator: You've launched the rocket! (Missile flies off from the background silo) Demoman:That wasn't supposed to happen!
Saxton survives getting pushed off the roof of the Mann Co. tower, and snarls that it's gonna take more than that to kill him. Cue grenade landing next to his head...and then the pin.
