SKYHOOK, (Putnam, 2003)

A “black” Air Force project is threatened by sabotage as a brilliant young engineer struggles to find and eliminate an extremely worrisome line of computer code that almost killed him – and the project.  Meanwhile, at first appearing to be unconnected, a veteran airline captain is equally desperate, in his case to regain his pilot’s license and discover why his private twin engine World War II amphibian was knocked out of the sky over the Gulf of Alaska.