Today in U.S. Naval History: June 12
1944 - Four U.S. Carrier Groups (15 carriers) begin attack on Japanese positions in the Marianas.
1948 - The Women's Armed Forces Integration Act provides for enlistment and appointment of women in the Naval Reserve.
1970 - After earthquake in Peru, USS Guam begins 11 days of relief flights to transport medical teams and supplies, as well as rescue victims.
1990 - Cdr. Rosemary Mariner becomes first Navy woman to command fleet jet aircraft squadron.
For more information about naval history, visit the Naval History and Heritage Command website at history.navy.mil.