The shuttles Discovery , Endeavour and Atlantis carry historic and economic value . The economic impact to the area is estimated at about $ 15 million . The fourth , the Enterprise , was a test shuttle that never flew into space . Communities housing the shuttles are expected to enjoy a tourist boom . Comment:
The shuttles Discovery , Endeavour and Atlantis carry historic and economic value . The fourth , the Enterprise , was a test shuttle that never flew into space . Communities housing the shuttles are expected to enjoy a tourist boom . Comment: