well, and we talked about that even in flight, that it's accessible, the compartment where the uhf, vhf, transponder, and systems are co-located. they're all right there. not only are they accessible from underneath and outside the aircraft before the flight, but after the flight and during the flight. from the cabin, you can get to them, as well. >> that needs to be worked on. thank you. this is from mike -- this of e-mailed from reed, "flight 370, has there been any real effort to disqualify a terror plot in which an aircraft is taken and then used later in an attack? all the best technological efforts have found nothing in the indian ocean. actually, no crash evidence at all, hmm." >> look, one of the main elements of warfare that we've used for hundreds of years is the element of surprise. and if this indeed was a tactic, the element of surprise is completely gone because everyone's air defenses are now at a heightened state because there could be something along those lines. so i don't -- it's not a card on the table as far as i'm