Code to zero
(Book)

A man wakes up shaking with fear on the cold rest room floor in Union Station, Washington, D.C. He doesn't know how he got there, or even his own name. His ragged, dirty clothes imply that he's a bum, probably getting over a bender. But something seems terribly wrong--and shadowy figures follow his every move. Searching for answers, the man uncovers a shocking truth that threatens to derail America's space program, even while Cape Canaveral counts down to liftoff.