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CGRO
Launch Details
| Launched | 4 April 1991 |
| Flight ended | 3 June 2000 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 21225 |
| COSPAR ID | 1991-027B |
| Alternative names |
COMPTON GAMMA RAY OBSERVATORY |
| Observing |
Launched alongside
STS 37