OV1-18
| Launched | 17 March 1969 |
| Flight ended | 26 August 1972 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 3824 |
| COSPAR ID | 1969-025B |
| Observing |
OV1-18
| Launched | 17 March 1969 |
| Flight ended | 26 August 1972 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 3824 |
| COSPAR ID | 1969-025B |
| Observing |