AstronautAtlas
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Program archive
A-Train
A-Train is explored here through 6 archived missions, from Terra through Orbiting Carbon Observatory-2, with the program’s spacecraft, people, milestones, and source-backed history connected along the way.
- Missions
- 6
- People
- 0
- Vehicles
- 6
Explore this program
Choose a path through the A-Train archive.
Explore the A-Train program
Follow 6 archived missions, their spacecraft, science payloads, milestones, and source-backed records in one program collection.
Program details1999–20146 mission records
Flight record6 flights6 robotic or uncrewed
First flown missionTerraDecember 18, 1999
Latest flown missionOrbiting Carbon Observatory-2July 2, 2014
Program story
This collection brings together the mission records currently available for A-Train. Use the sections above to move from the chronological flight record to science payloads, spacecraft, timeline milestones, and archival imagery.