1942:	USS Gudgeon is first US sub to sink enemy submarine in action, Japanese I-173
1945:	Commissioning of USS Higbee (DD-806), first U.S. Navy ship named after women member of U.S. Navy
1967:	Fire in Command Module at Cape Kennedy during simulation countdown. Lunar Module Pilot LCDR Roger B. Chaffee and two other crew members died.
1973:	Paris Peace Accords signed, ending U.S. participation in the Vietnam War