June 21
1898 - USS Charleston captures island of Guam from Spain
1945 - Okinawa declared secure after most costly naval campaign in history. U.S. had 30 ships sunk and 223 damaged, mostly from kamikaze attacks, with 5000 dead and 5000 wounded, while the Japanese lost 100,000 dead
June 22
1807 - HMS Leopard attacks USS Chesapeake
1865 - Confederate raider Shenandoah fires last shot of Civil War in Bering Strait
1884 - Navy relief expedition under CDR Winfield S. Schley rescues Lt. A.W. Greely, USA, and 6 others from Ellesmere Island, where they were marooned for 3 years on Arctic island.
1898 - Adm. Sampson begins amphibious landing near Santiago, Cuba
June 23
1933 - Commissioning of USS Macon, Navy's last dirigible
1961 - Navy's first major low frequency radio station commissioned at Cutler, ME
1972 - Navy helicopter squadron aids flood-stricken residents in Wilkes-Barre, Scranton, and Pittstown area of PA
June 24
1833 - USS Constitution enters drydock at Charlestown Navy Yard, Boston, MA, for overhaul. The ship was saved from scrapping after public support rallied to save the ship following publication of Oliver Wendell Holmes' poem, "Old Ironsides."
1926 - Office of Assistant SecNav set up to foster naval aeronautics; aircraft building increased
1948 - Berlin airlift initiated to offset the Soviet Union's blockade access of U.S., France, and Great Britain to their sectors of Berlin.
June 25
1917 - Navy convoy of troopships carrying American Expeditionary Forces arrives in France
1950 - North Korea invades South Korea beginning Korean Conflict
June 26
1884 - Congress authorizes commissioning of Naval Academy graduates as ensigns
1918 - Marine brigade captures Belleau Wood
1959 - Twenty-eight Naval vessels sail from Atlantic to Great Lakes, marking the formal opening of Saint Lawrence Seaway to seagoing ships.
1962 - NAVFAC Cape Hatteras makes first Sound Surveillance System (SOSUS) detection of a Soviet diesel submarine.
1973 - Navy Task Force 78 completes minesweeping of North Vietnamese ports.
June 27
1813 - USS President anchors in Bergen, Norway
1950 - To support U.N. call to assist South Korea, Truman authorizes U.S. naval and air operations south of 38th Parallel, Korea