OSO 3
| Launched | 7 March 1967 |
| Flight ended | 3 April 1982 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 2703 |
| COSPAR ID | 1967-020A |
| Observing |
OSO 3
| Launched | 7 March 1967 |
| Flight ended | 3 April 1982 |
| Status | Decayed |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 2703 |
| COSPAR ID | 1967-020A |
| Observing |