A Hollywood action scene from the end of the tube along to the opening of an inclined 500 m long and 5 m wide launch tube where a silver 10 m long with 1 mm lond delta fins, 1 mm wide, and 10 regularily spaced 1 mm openings at the tail with a 2 mm oblong cone in the cneter is roaring with a blue exhaust stream out or the tube into the air.