| Name of Satellite, Alternate Names | Mercury 3 (NROL 67, USA 250) |
| Country of Operator/Owner | USA |
| Operator/Owner | National Reconnaissance Office (NRO)/USAF |
| Users | Military |
| Purpose | Surveillance |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 35500 |
| Apogee (km) | 35500 |
| Eccentricity | 0 |
| Inclination (degrees) | 7 |
| Period (minutes) | 1436 |
| Launch Mass (kg.) | 3900 |
| Dry Mass (kg.) | |
| Power (watts) | |
| Date of Launch | 10-04-2014 |
| Expected Lifetime | |
| Contractor | Unknown |
| Country of Contractor | USA |
| Launch Site | Cape Canaveral |
| Launch Vehicle | Atlas 5 |
| COSPAR Number | 2014-020A |
| NORAD Number | 39652 |
| Comments | Speculated to be a new SIGINT satellite - not verified. |