True air speed or the indicated air speed. and all of that data is contained on the flilt data recorder. >> kristin talked about bodies being pulled up. they're not magically pulled up. rescue divers men and women have you worked with around the world, who are diving and searching and pulling up these bodies. what an incredibly difficult job. talk about the psychological element, generally folks tasked with finding stuff, not people and parts of people. this is a different part of that job. >> this is an entirely different scenario. and in my experiences, these are -- these teams, because is i...