Spacecraft information: OPS 0910
| Launched | 18 April 1966 |
| Flight ended | 25 April 1966 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 2146 |
| COSPAR ID | 1966-032A |
| Observing |
Launched alongside
ATLAS AGENA D R/B