that big 90 ton blast door, somebody at the air force base found the keys to the heaviest vehicle they had on hand. turned out to be a peacekeeper armored vehicle. and they drove that puppy over to the missile silo and parked it on top of the blast door just in case. that was their plan. but it wasn't even the most amazing part of their plan. here's how they thought it might work. this is a quote from the associated press when this happened. according to a spokesman for the strategic air command there's a certain amount of guesswork involved in the procedure of blocking a firing missile with a car. the huge door that sits atop a minuteman is thrown horizontally off the silo by explosive charges during the launch. the theory is that the cover is blown aside so rapidly that a vehicle parked on top of it with the brakes off will be left basically hanging in thin air like yanking a tablecloth out from under dishes, and then the