Spacecraft information: OPS 1856
| Launched | 2 June 1966 |
| Flight ended | 8 June 1966 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 2194 |
| COSPAR ID | 1966-048B |
| Observing |
Launched alongside
OPS 1577Spacecraft information: OPS 1856
| Launched | 2 June 1966 |
| Flight ended | 8 June 1966 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 2194 |
| COSPAR ID | 1966-048B |
| Observing |
Launched alongside
OPS 1577