1917 - First Navy ships, Destroyer Division 8, arrive at Queenstown, Ireland, to provide convoy escorts against German U-boats
1942 - Battle of Coral Sea, first carrier vs. carrier battle, begins
1945 - Japanese attempt to land on Okinawa repulsed; kamikaze attacks damage 6 U.S. Navy ships
1961 - Pilot CDR Malcolm D. Ross, USNR, and medical observer LCDR Victor A. Prather, Jr., ascended in two hours to over 110,00 feet in Strato-Lab 5, a 411-foot hydrogen filled balloon launched from from the deck of USS Antietam. This was the highest altitude attained by man in an open gondola. Tragically, Prather drowned during the recovery.
(Source: Navy News Service)