RIGIDSPHERE 1
| Launched | 6 August 1971 |
| Flight ended | 31 August 1981 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 5410 |
| COSPAR ID | 1971-067P |
| Observing |
RIGIDSPHERE 1
| Launched | 6 August 1971 |
| Flight ended | 31 August 1981 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 5410 |
| COSPAR ID | 1971-067P |
| Observing |