When the Japanese attacked Wake Island in December 1941--the same day as the attack on Pearl Harbor--Marine pilot Henry T. Elrod took to the skies in his F4F Wildcat fighter to defend the American military base on the tiny Pacific atoll, battling swarms of enemy planes and ships with rare courage and skill for the next two weeks. Captain Elrod, who had attended Yale and spent his freshman year playing football at the University of Georgia, had...