world. only one fatality in the past and that basically had nothing to do with the aircraft. so obviously as anything is possible, i don't know if this was obviously catastrophic failure of the aircraft, itself, or perhaps an explosion. and, you know, the argument about this altitude change, without the transponder, you can see the airplane, but you can't tell what the altitude is. so unless if they have some other military radar, highly sophisticated one that could tell the altitude from just the primary signature of the aircraft, i don't know how they're getting these altitude reportings. >> right. there's been some notes of caution that those altitude reporting might be out of lack. latane, you mentioned a theory