military radar. >> was that the -- they said, hey, this doesn't make any sense. to them i said, look, if it was doing all of these things and then they continued on, i've believed that from the beginning. >> if it's on autopilot, it's going to go steady at 35,000 or whatever. >> once you set it, that's what the autopilot does. but the malaysian military radar is not very accurate. it's designed to find bad guys and give the air force on where to find them. it's not as accurate. now, at 45,000 feet down to 12,000 feet, that's quite a wide spectrum that he would imply that somebody is changing altitudes. >> or there was a struggle in the cockpit. >> forced to do it or want to do it. >> that's a mystery that hasn't been zsh do you want to add?