The Space Shuttle was the highlight of NASA’s Space Transport System’s reusability. Six shuttles were built, but only five ever went to orbit. STS Enterprise was used only for preliminary test flights and training.
The Space Transport System (also known as the Space Shuttle) revolutionized American spaceflight. Its design and development were greenlighted by President Richard Nixon in 1969, with flights beginning in the early 1980s.
In the first two parts, we discussed Sputnik I, the first satellite ever put into orbit, and Sputnik II, the follow-on mission to Sputnik I. In this last part, we’ll examine Explorer I, the first U.S. satellite in space.
George W. Bush’s (“Bush Jr.’s”) two-term presidency and his national space policy were largely shaped by two tragic events: the terrorist attacks in New York, Virginia, and Pennsylvania on September 11, 2001, and the disintegration of the Columbia space shuttle in 2003.