USA 276
| Launched | 30 April 2017 | 
| Flight ended | – | 
| Status | Operational | 
| Launch site | Air Force Eastern Test Range, Florida, USA | 
| Owner | United States | 
| NORAD ID | 42689 | 
| COSPAR ID | 2017-022A | 
| Alternative names | NROL-76 | 
| Observing | 
Launched alongside
FALCON 9 R/B