we are using the word shrapnel to discuss what broke out the window and suck someone out of the plane. >> the fan section is rotating at several thousand rpms. and so when that fan blade liberated, it did shrew shrapnel in many different places. this is not an explosion in the sense of like that sort of explosion. but it was what we call by the way inside the fuselage it would have been an explosive decompression of all of that air rushing out of the airplane very quickly. >> i get the difference. again, i'm no aerospace engineer. but it does remind when a combustion engine throws a rod or something like that. the engine doesn't explode but the piece of metal banging