SCOUT X-3 R/B
| Launched | 26 March 1964 |
| Flight ended | 12 April 1967 |
| Status | Decayed |
| Launch site | Wallops Island, Virginia, USA |
| Owner | United States |
| NORAD ID | 775 |
| COSPAR ID | 1964-015B |
| Observing |
SCOUT X-3 R/B
| Launched | 26 March 1964 |
| Flight ended | 12 April 1967 |
| Status | Decayed |
| Launch site | Wallops Island, Virginia, USA |
| Owner | United States |
| NORAD ID | 775 |
| COSPAR ID | 1964-015B |
| Observing |