The French government authorizes the formation of the Escadrille Americaine. The unit, made up of American volunteer pilots, is later renamed the Lafayette Escadrille.
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