is the fact -- i say fact, speculation that the cargo in the airplane probably shifted as it rotated to take off. that happened before a few times in history. if that happens and enough stuff moves back in the airplane, it can move it out of the center of gravity envelope. in that case it's going to be difficult, if not impossible for the crew to keep the nose down, keep enough forward air speed over the wings. the problem is what you saw in this video, if there is not enough air speed over the wings you basically become a big piece of medal. >> this is a civilian flight. i've been on military cargo planes and they strap everything down for that very reason to prevent any large cargo shipment, vehicles from shifting on that plane. wouldn't that be the case even if this were a civilian cargo flight? >> you can absolutely guarantee the load masters on this had everything down or in other words had it tied down. the fact is that if one thing