ground as spectators were watching. we do want to warn you the video may be disturbing to some viewers. a boeing b-17 flying for tress and a bell p-63 cobra collided and crashed at the wings over dallas air show saturday according to the federal aviation administration. in a press conference saturday afternoon hank coats, president and ceo of the commemorative air force, told reporters about the crews during the world war ii demonstration. the b-17 normally has a crew of four to five that was on the aircraft and the p-63 is a single piloted fighter type aircraft. i can tell you that it was normally crude. i cannot release the number of people on the manifest or the names until i m released to do so by the ntsb. reporter: the allied pilots association, the labor union representing american airlines pilots, has identified two retired pilot retirees and former apa members among those