IUS R/B(2)
| Launched | 17 October 1989 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20300 |
| COSPAR ID | 1989-084D |
| Observing |
IUS R/B(2)
| Launched | 17 October 1989 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20300 |
| COSPAR ID | 1989-084D |
| Observing |