GALAXY 3 R/B
| Launched | 20 September 1984 |
| Flight ended | 11 June 1985 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 15310 |
| COSPAR ID | 1984-101C |
| Alternative names |
PAM-D |
| Observing |