Army Lt. Alan Winslow and Lt. Douglas Campbell, flying Nieuport 28s of the 94th Aero Squadron, down two German fighters in a 10-minute battle. Winslow is the first pilot in the American sector of the front to down an airplane; Campbell is the first US-trained pilot to score a victory.
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