Today in U.S. Naval History - March 13
1895 - Award of first submarine building contract to John P. Holland Torpedo Boat Co.
1917 - Armed merchant ships authorized to take action against U-boats.
1959 - Naval Research Laboratory takes first ultraviolet pictures of sun.
1963 - USS Albany (CG-10) and aircraft from Navy Airborne Early Warning Squadron Four from Roosevelt Roads, Puerto Rico aid five ill crewmembers of Norwegian freighter Jotunfjell.
For more information about naval history, visit the Naval History and Heritage Command website at history.navy.mil.