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Program archive
Transit navigation satellite program
Transit navigation satellite program is explored here through 7 archived missions, from Transit 1A through Transit 4B, with the program’s spacecraft, people, milestones, and source-backed history connected along the way.
- Missions
- 7
- People
- 0
- Vehicles
- 8
Explore this program
Choose a path through the Transit navigation satellite program archive.
Transit navigation satellite program spacecraft
7 mission-specific spacecraft and test articles, plus 1 launch systems and shared hardware records.
Showing vehicles 1–8 of 8
Uncrewed navigation and geodesy satelliteSeptember 17, 1959Transit 1A spacecraft
Transit 1A spacecraft was the spacecraft assigned to Transit 1A in the Transit navigation satellite program.
Uncrewed navigation and geodesy satelliteApril 13, 1960Transit 1B spacecraft
Transit 1B spacecraft was the spacecraft assigned to Transit 1B in the Transit navigation satellite program.
Uncrewed navigation and geodesy satelliteJune 22, 1960Transit 2A spacecraft
Transit 2A spacecraft was the spacecraft assigned to Transit 2A in the Transit navigation satellite program.
Uncrewed navigation and geodesy satelliteNovember 30, 1960Transit 3A spacecraft
Transit 3A spacecraft was the spacecraft assigned to Transit 3A in the Transit navigation satellite program.
Uncrewed navigation and geodesy satelliteFebruary 22, 1961Transit 3B spacecraft
Transit 3B spacecraft was the spacecraft assigned to Transit 3B in the Transit navigation satellite program.
Uncrewed navigation and geodesy satelliteJune 29, 1961Transit 4A spacecraft
Transit 4A spacecraft was the spacecraft assigned to Transit 4A in the Transit navigation satellite program.
Uncrewed navigation and geodesy satelliteNovember 15, 1961Transit 4B spacecraft
Transit 4B spacecraft was the spacecraft assigned to Transit 4B in the Transit navigation satellite program.
Two-stage multiple-payload satellite launch vehicleThor-Ablestar
Thor-Ablestar paired a Thor first stage with a restartable Ablestar upper stage and supported several of America's first multiple-satellite launches.