Detailed text transcripts for TV channel - FOXNEWS - 20120427:16:19:00
The very end of this decade. and that should be accelerated. that's a change that we can make. jon: but you yourself know, i mean, as an astronaut there were those who horrific problems, accidents with columbia and challenger, and, you know, a lot of people said it's just a matter of time before it happens again with another one of the shuttles, that the program had to be retired. what do you say to that? >> well, they're right in terms of the cost of the shuttle. it was chewing up a lot of nasa's budget, and the safety risk to the crews was high because it lacked an escape system. so i'm all ...
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