It did Col. Hal Gascoigne no good whatsoever to know that he was the only man aboard Satellite Vehicle 1. No good at all. He had stopped reminding himself of the fact some time back. And now, as he sat sweating in the perfectly balanced air in front of the bombardier board, one of the men spoke to him again: "Colonel, sir—" Gascoigne swung around in the seat, and the sergeant—Gascoigne could almost remember the man's name—threw him a snappy Air Force salute. "Well?" "Bomb one is primed, sir. You