Prelaunch, launch, and inflight earth orbital environment data for HEAO spacecraft
Natural environment criteria for the NASA High Energy Astronomy Observatory /HEAO/
1971-03-25
Report
No indication
English
HEAO-A - The first high energy astronomy observatory
AIAA | 1978
|Flight performance of the high energy astronomy observatory (HEAO 1) power subsystem
Tema Archive | 1978
|Guide star targeting success for the HEAO-B observatory
NTRS | 1977
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