Capt. Thomas S. Roberts, with his backseater Capt. Ronald C. Anderson, and Capt. Kenneth E. Holcombe, and his backseater Capt. Arthur C. Clark, both flying McDonnell Douglas F-4C Phantom IIs, shoot down two MiG-17s, the first Air Force air-to-air victories of the Vietnam War.
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