Proton-K/Briz-M
RUS Wikipedia 
Built & Operated By
Khrunichev State Research and Production Space Center
Government · founded 1916
Family
Proton / UR-500
variant Briz-M
Maiden Flight
5 JUL 1999
About
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.
Vehicle Specifications
Height
57 m
Diameter
4.15 m
Launch Mass
710 T
Thrust
8,847 kN
Stages
4
Configuration
Expendable
Launch Record
Total Launches
4
Successful
3
Failed
1
Consecutive
3
Performance
To LEO
19,760 kg