AstronautAtlas
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Program archive
High Energy Astronomy Observatory
High Energy Astronomy Observatory is explored here through 3 archived missions, from HEAO-1 through HEAO-3, with the program’s spacecraft, people, milestones, and source-backed history connected along the way.
- Missions
- 3
- People
- 0
- Vehicles
- 3
Explore this program
Choose a path through the High Energy Astronomy Observatory archive.
Explore the High Energy Astronomy Observatory program
Follow 3 archived missions, their spacecraft, science payloads, milestones, and source-backed records in one program collection.
Program details1977–19793 mission records
Flight record3 flights3 robotic or uncrewed
First flown missionHEAO-1August 12, 1977
Latest flown missionHEAO-3September 20, 1979
Program story
This collection brings together the mission records currently available for High Energy Astronomy Observatory. Use the sections above to move from the chronological flight record to science payloads, spacecraft, timeline milestones, and archival imagery.