yvonne morris used to sit in it for real! >> i spent four years in this chair from 1980 to 1984 because i was a titan ii missile combat crew commander who was stationed at this site during that time. >> now she helps run the museum. but back in the day, she was in the hot seat. >> i was in charge of the crew that would have launched the missile that was based here if we had been ordered to do so. >> how did it help keep us safe from attack? >> well, the titan ii system, its job was peace through deterrence. that meant that we were supposed to show the former soviet union that if they ever launched their missiles against us, that we would launch titan ii missiles, among others, against them and that we would retaliate with such force that they would not be able to survive it. and that's called mutual assured destruction. >> mutual assured destruction. it's mad, all right. and the memory of that tense time is the reason this museum exists. >> well, we made it into a museum because you can't know what the future is gonna be or y