Proton-K/Briz-M – Khrunichev State Research and Production Space Center
- Family: Proton / UR-500
- Length: 57 m
- Diameter: 4.15 m
- Launch Mass: 710 T
- Low Earth Orbit Capacity: 19760 kg
The Proton-K/Briz-M, manufactured by Khrunichev State Research and Production Space Center established in 1916, undertook its inaugural launch on 07/05/1999. Notably, Proton-K/Briz-M has 3 successful launches and 1 failed attempts, with a cumulative tally of 4 launches, currently with 0 pending launches in the pipeline.
The Proton-K was a Russian, previously Soviet, carrier rocket derived from the earlier Proton. It was built by Khrunichev, and launched from sites 81 and 200 at the Baikonur Cosmodrome in Kazakhstan.