Marine Capt. John L. Smith, flying a Grumman F4F-4 Wildcat, shoots down four Japanese aircraft over Guadalcanal. From Aug. 21 through the middle of October, Smith shoots down 19 Japanese aircraft. For this feat and his leadership in which his squadron shot down 126.5 aircraft, he appears on the cover of Life Magazine and is awarded the Medal of Honor.
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