B-29 crews begin night incendiary raids on Japan; 334 aircraft drop 1,667 tons of firebombs and destroy 15 square miles of Tokyo.
Navy Adm. Samuel J. Paparo Jr. assumed leadership of the U.S. Indo-Pacific Command, succeeding Navy Adm. John Aquilino at a change of command ceremony, urging action amid China's “increasing intrusive and expansionist claims,” on May 3