Detailed text transcripts for TV channel - CNN - 20110309:20:37:00
Farewell "discovery." >> john zarrella was there at kennedy space center as "discovery" touched down. john, i know you have seen "discovery" in action many, many times. i imagine today was a bit bitterswe bittersweet. >> reporter: no question about it, brooke. you know, i did see "discovery." i saw it on both of the -- it flew both return to flight missions after the tragic losses of "columbia" and "challenger." of course it flew john glenn into space. i was there for that one. this is one of those moments where you watch it and you just say, this is it. you know, one down safely and two more ...