Soyuz
The Soyuz (GRAU index 11A511) was a Soviet expendable carrier rocket designed in the 1960s by OKB-1 and manufactured by State Aviation Plant No. 1 in Kuybyshev, Soviet Union. It was commissioned to launch the Soyuz spacecraft as part of the Soviet human spaceflight program, first with 8 uncrewed test flights, followed by crewed launches. The original Soyuz also launched test flights of the improved Soyuz 7K-T capsule
Missions: 32
Successes: 30
Partial Failures: 0
Failures: 2
Success Streak: 3
Success Rate: 93.8%