FRED HAISE served as a backup Lunar Module Pilot for Apollo 8 and Apollo 11 before serving as the Lunar Module Pilot for the Apollo 13 mission. He worked with NASA for nine years after Apollo 13, serving on the backup crew for Apollo 16, commanding free flight test missions for the Space Shuttle program, and was scheduled to command Apollo 19 before its cancellation. He left NASA in 1979 to work as an executive for Grumman Aerospace Corp. BILL MOORE is the author and coauthor of several books and periodical stories about aviation and space, and he produced the documentary counterpart to his book Oklahomans and Space.