Mobil 1 on the shuttle sounds like a terrible idea. It would come back so clean and with so little wear that all those contractors would be out of work. They should be using Pennzoil in the yellow bottle. That way as the trip went on, the shuttle would get coated in a protective layer of sludge and varnish to protect it from galactic radiation and during re-entry. Then the contractors could just hose it down with ARX clean and rinse phases and it would be just like new again. All the stuff that ARX washes off goes in the fuel tank and presto! Free trip to the moon. That's what ET does:
