-my wife, laurel, was on the shuttle. she was a scientist primarily involved with life sciences. one day during the mission, i was reviewing the notes, and then here s this foam issue. during launch, a large piece of foam had come off the external tank and impacted the left wing. me and my colleague had this discussion of, hey, you can use a family conference to talk to laurel and find out what she knew. -oh! -you got to remember the hat you re wearing is your flight-surgeon hat, not your family hat. it would have broken protocol for me to bring up an issue to a crew member, even though it s my wife. -i remember a certain sense of relief like, it s almost over. she s almost back. -i didn t talk to laurel about the foam issue. that conference was for iain and laurel, and i was a bystander. -i knew she was going to come back. you know, i never had a question in my mind. -given the fact that you may have lost a little bit of tile during lift-off, i m wondering