and vietnam. >> there's a gap really when there was not a tower watching it, essentially. >> right. when the transponder went off. >> congressman, talk to me about two things first. is there a role for congress here to demand that certain things be installed on airplanes, even given that it's going to take regulation, it's going to take forever to do? >> absolutely there's a role for congress here, particularly considering the expense we're going through to try to find this plane. i would expect the congress to have hearings with the ntsb, with the faa, to find out what is the state of the technology and how quickly they're moving to satellite transmissions, how cost effectively can we deal with this problem with finding the black boxes, extending battery life, or making them deployable. so i think congress will do that. now, requirements in terms of our own airline industry, that may have an effect on industries around the world because we're so involved in the aircraft manufacturing standards.