Biographies on US citizens from World War II

American Aces of WWII: Biographical information and scores of US aces of World War II, as well as information about the most famous US aircrafts. Also includes a section on German aces and World War I aces
Lt. Colonel Robert A. McDonald: Excellent biographical information about Lieutenant Colonel Robert A. McDonald, as well as thorough information about the rank insignia and awards of the US army during World War II
The Generals of WWII: Very large database, with information about many (probably most) of the Generals of World War II, covering both the major nations and the minor nations very extensively