Air Force Maj. Edward H. White makes the first U.S. spacewalk. He and Air Force Maj. James A. McDivitt set a space endurance record as Gemini 4 stays aloft for 97 hours and 32 seconds in 62 orbits. The Gemini 4 mission is the first U.S. spaceflight to be controlled from the Manned Spaceflight Center in Houston, Tex.
Army Gen. Christopher G. Cavoli, head of U.S. European Command and Supreme Allied Commander Europe, warned that Russia would remain an enduring threat to NATO and global security, regardless of the outcome of the war in Ukraine.