| Name of Satellite, Alternate Names | Keyhole 5 (Advanced KH-11, KH-12-5, Improved Crystal, EIS-3, USA 186) |
| Country of Operator/Owner | USA |
| Operator/Owner | National Reconnaissance Office (NRO) |
| Users | Military |
| Purpose | Reconnaissance |
| Class of Orbit | LEO |
| Type of Orbit | Sun-Synchronous |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 264 |
| Apogee (km) | 1050 |
| Eccentricity | 0.0559271381813007 |
| Inclination (degrees) | 97.9 |
| Period (minutes) | 97 |
| Launch Mass (kg.) | 18000 |
| Dry Mass (kg.) | 10000 |
| Power (watts) | |
| Date of Launch | 19-10-2005 |
| Expected Lifetime | 5+ yrs. |
| Contractor | Lockheed Martin |
| Country of Contractor | USA |
| Launch Site | Vandenberg AFB |
| Launch Vehicle | Titan IV |
| COSPAR Number | 2005-042A |
| NORAD Number | 28888 |
| Comments | $1 billion satellite; last use of Titan IV as launch vehicle. |