8, 1986, the space shuttle challenger exploded 73 seconds after liftoff, taking the lives of the seven crew members pictured here on their way to the launchpad. the crew included schoolteacher christa mcauliffe, selected from more than 100,000 applicants to be the first teacher in space. next, on american history tv's real america, a 10 minute video of her with backup teacher barbara morgan. they are shown beating the challenger crew, testing food, and being fitted for space clothing. >> there we go. >> ok. >> ok, charles.

>> thanks. >> that is all right. you missed the world's greatest picture. >> you all can relax now. >> we have not really done that. we have talked briefly with michelle this morning. >> thank you very much. >> let's go.

>> no. for mylooking around suit. this keeps the liquid from coming up. >> like that. >> ok. -- sd then you just sit it ip it. ok. out, you doake it

not have to close it before. you do not want to leave it sitting around. >> ok. >> you can probably use that. >> why don't we do it this way? barbara, you sit down here. you can move back here.

then wrap it around your leg there. ok. have a seat. i just want to make sure that these cutouts are where your knees are. this stuff you have to be real tight on. go ahead and back it off all the way to zero. i am going to have you working this hard.

pull back on that. slowly fill it up until you are at one. if you move your legs, you will probably hear this thing creek and grown. the pressure that you selected. let's say you are going to land and you are feeling lightheaded and you want to maintain the pressure. , all youle lanyard have to do is pull the pin out. that tracks all of the air.

you can then go ahead and disconnect at this point. and then you can get up and walk around. yeah. easier said than done. >> get your chin right of been there. -- up in there that is right. now get down a little lower. bring this forward. that is it. in?t all the way >> yes. >> that is used quick death strictly an emergency. go ahead and play with it.

go ahead and look that over. do you want it a little bit on your head? you have your hands on it right now. is that getting your face a little snugger? >> yes. >> ok. with your right hand, go ahead and close the visor. you have a flat spot on it. you just have to push and pull down like this. there you go. now go ahead and talk. ok.

>> oh no. >> it is frustrating. trousers and a shirt with the nasa patch on it. and a pair of shorts. bag. is usually a little and your coverall. you can check the way. these are not pockets. they are made so that when you get on orbit, you will have a fluid shift from your legs to your torso. a lot of time, people have waste

issues.- waist >> ok. st.a lot bigger waste -- wai >> and the length is ok? >> it is all right. >> ok. >> they are basically the same thickness. >> what were you going to say? bithis one feels a little

crazy. >> a little bit. >> would you mind getting handkerchiefs? what else do we need? for launch, these but once you are up there, you do not need them anymore. >> you will not have access to that.

>> des moines, iowa, simulcasting with c-span. >> god bless the great state of iowa. go iowa. >> the republican party of iowa. >> here in iowa. >> our wonderful friends in iowa today. >> if you told us that we would come in third in iowa, we would have given anything for that. >> it is good to be back in iowa. >> was this an average caucus? >> it is hard to say. it is the third one i have been to. they are all different. >> it is good to be back in iowa. >> thank you, iowa, for the great respect you are giving us.

>> they are discerning voters. >> i want to thank all the people of iowa. >> iowa is the first. >> if i lose iowa, i will never speak to you again. artifactsek, american mportant artifacts. next, a look at the acts of congress with the president's handwritten notes and a proposed and not yet ratified bill of rights. it was auctioned