1991 in spaceflight
The crew of STS-37 deploys the Compton Gamma Ray Observatory.
|
|
| Orbital launches | |
|---|---|
| First | 8 January |
| Last | 28 December |
| Total | 91 |
| Successes | 86 |
| Failures | 3 |
| Partial failures | 2 |
| National firsts | |
| Space traveller |
 Austria United Kingdom
|
| Rockets | |
| Maiden flights |
Ariane 4 44P Atlas II |
| Retirements | Vostok-2M |
| Manned flights | |
| Orbital | 8 |
| Total travellers | 36 |
This was the final year of the Soviet Union, and thus the end of the Cold War competition between the two space superpowers. The launch rate declined drastically from the initial three decades of the Space Age to the modern average of about eighty orbital launches per year worldwide.
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