Program archive
Early communications satellites is explored here through 14 archived missions, from Telstar 1 through ATS-6, with the program’s spacecraft, people, milestones, and source-backed history connected along the way.
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Choose a path through the Early communications satellites archive.
14 mission-specific spacecraft and test articles, plus 0 launch systems and shared hardware records.
ATS-1 spacecraft was built for NASA Goddard Space Flight Center and launched on December 7, 1966.
ATS-2 spacecraft was built for NASA Goddard Space Flight Center and launched on April 6, 1967.
ATS-3 spacecraft was built for NASA Goddard Space Flight Center and launched on November 5, 1967.
ATS-4 spacecraft was built for NASA Goddard Space Flight Center and launched on August 10, 1968.
ATS-5 spacecraft was built for NASA Goddard Space Flight Center and launched on August 12, 1969.
ATS-6 spacecraft was built for NASA Goddard Space Flight Center and launched on May 30, 1974.
Intelsat I spacecraft was built for Communications Satellite Corporation and the interim Intelsat consortium and launched on April 6, 1965.
Relay 1 spacecraft was built for NASA with RCA-built spacecraft and international ground stations and launched on December 13, 1962.
Relay 2 spacecraft was built for NASA with RCA-built spacecraft and international ground stations and launched on January 21, 1964.
Syncom 1 spacecraft was built for NASA with Hughes Aircraft Company and launched on February 14, 1963.
Syncom 2 spacecraft was built for NASA with Hughes Aircraft Company and launched on July 26, 1963.
Syncom 3 spacecraft was built for NASA with Hughes Aircraft Company and launched on August 19, 1964.