The first Global Positioning Satellite signal from space occurred on Feb. 22, 1978, writes Col. David Madden, GPS Wing Commander at Los Angeles AFB, Calif., in a Feb. 22 statement. Madden notes that the GPS Block 1 satellites, launched between 1978 and Oct. 9, 1985 “paved the way for an operational system that has revolutionized the way we go to war.”
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...