an idea that you build one aircraft and it would be used by three differentvi at th forche marines, andy. fly with planes could navy planes, they would be able to talk to each other. that did not happen. in part because the services -- the navy wanted to carriers.ly off the the marines want to go up and down like this. the air force one of the plans to be stealthy, to fly longer ranges. you have these requirements that started to make each of the three versions more and more different. what was supposed to be an airplane that would have 70% similarity between the three versions now is about 70% different. that has been a big factor that has led to the increase in costs. >> chairman of the armed seicmitt is not going to run again, that we see a lot of them on this network. here he is talking about the f- 22. let's listen to his attitude about that a few years ago. >> this debate is not about whether or not we will have the capability of the f-22. about how many we should have and what cost. we are talking about whether or not we should accept the recommendations of two commanders in chie