Spacecraft information: USA 274
| Launched | 28 February 2017 |
| Flight ended | – |
| Status | Operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 42058 |
| COSPAR ID | 2017-011A |
| Alternative names |
NROL-79 |
| Observing |
Launched alongside
USA 274 DEB