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.
SDA’s Next Phase of Data Transport Satellites on Hold
June 30, 2025
The long-term future of one of the Space Development Agency’s two satellite constellations is on hold as officials study the options for replacing a planned “data transport layer” with one or more commercial solutions. President Trump’s proposed 2026 defense budget...