BARS-M (Cosmos 2503) Russian specialists have successfully launched the military observation satellite on a Soyuz 2.1a rocket.
| Name of Satellite | BARS-M (Cosmos 2503) |
| Purpose | Earth Observation |
| Contractor | Progress Rocket and Space Center |
| Country of Contractor | Russia |
| Launch Mass (kg.) | 4 000 |
| Class of Orbit | LEO |
| Perigee (km) | 570 |
| Expected Lifetime (yrs.) | 5 |
| Date of Launch | 27.02.2015 |
| Launch Site | Plesetsk Cosmodrome |
| Launch Vehicle | Soyuz-2.1b |
| COSPAR Number | 2015-009A |
| NORAD Number | 40420 |
The Bars-M series of satellites includes satellites designed for terrain observation using electro-optical systems and a high-resolution Earth observation system.
