Orbus 21D
E2222851
UNEXPLORED
Orbus 21D is a solid-fuel upper-stage rocket motor used on the Athena II launch vehicle to provide final orbital insertion capability.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Orbus 21D canonical | 2 |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.