Today in World War II History—March 30, 1942

Gen. Douglas MacArthur and Adm. Chester Nimitz, 1942-1944 (US Army Center for Military History)
80 Years Ago—Mar. 30, 1942: Allies divide responsibilities for war theaters: US in charge of Pacific with Adm. Chester Nimitz over Pacific Ocean Area and Gen. Douglas MacArthur as Supreme Commander Southwest Pacific Area; Britain in charge from Singapore to the Mediterranean; US and UK to share responsibility in the Atlantic.
US Secretary of the Navy changes status of Coast Guard from a division to a service, analogous to the Marine Corps.