SCOUT F-1 R/B
| Launched | 6 May 1975 |
| Flight ended | 8 September 1979 |
| Status | Decayed |
| Launch site | San Marco Launch Platform, Indian Ocean (Kenya) |
| Owner | United States |
| NORAD ID | 7789 |
| COSPAR ID | 1975-037B |
| Observing |
Launched alongside
EXPLORER 53SCOUT F-1 R/B
| Launched | 6 May 1975 |
| Flight ended | 8 September 1979 |
| Status | Decayed |
| Launch site | San Marco Launch Platform, Indian Ocean (Kenya) |
| Owner | United States |
| NORAD ID | 7789 |
| COSPAR ID | 1975-037B |
| Observing |
Launched alongside
EXPLORER 53