On May 25, 1961, President Kennedy declared to a joint session of Congress his belief that the nation should commit itself to landing a man on the moon by the end of the decade. This mission was accomplished on July 20, 1969. On June 24, 1961, the public learned of President John Kennedy's letter assigning Vice President Lyndon Johnson the high priority task of unifying the U.S. satellite programs. Twenty-two years later, on the same day, a...