The Space Transportation System ---- a truck to put exploration vehicles in orbit!
Cots , Orion just taxi's, not manned rated & many years will pass before they fly, & WE STILL DON'T have a vehicle that will place a large tonnage in orbit--- we threw that away!
But, we have Anti space leadership in DC!
The Shuttle can both deliver and retrieve payloads from space; it is a fully integrated transport and servicing system in low Earth orbit. The famous Hubble Space Telescope would be a useless piece of junk instead of a national treasure without the Shuttle missions that first allowed for the repair of its defective vision and then returned to service the instrument in space multiple times over the ensuing decade.
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