Capt. Charles “Chuck” Yeager becomes the first pilot to reach supersonic speeds in level flight when he reaches a speed of Mach 1.06 (700 miles per hour) at an altitude of 45,000 feet in the rocket-powered Bell XS-1 (later redesignated X-1) over Muroc Dry Lake, Calif. His aircraft was released by a B-29 mother ship in midair.
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...