Replacing the Shuttle
NPR's Jon Hamilton reports on the future of the NASA space program after the Columbia tragedy, and why it will be much harder to replace the space shuttle than it was in 1986 after the Challenger disaster.
Replacing the Shuttle NPR's Jon Hamilton reports on the future of the NASA space program after the Columbia tragedy, and why it will be much harder to replace the space shuttle than it was in 1986 after the Challenger disaster.