Head to head

Soyuz U vs Titan IIIC

Two vehicles in the same payload class. Every figure below comes from the same two sources for both rockets, and a row appears only when both publish the input.

Payload to low Earth orbit

Relative

Soyuz U: 6,900 kg

Titan IIIC: 13,100 kg

Side by side

7 comparable figures

The highlighted value wins the row. Rows where neither direction is better, like length or stage count, highlight nothing.

Metric	Soyuz U	Titan IIIC
Flights flown	714	36
Success rate	97.2%	94.4%
Payload to LEO (kg)	6,900	13,100
Length (m)	51.1	42
Diameter (m)	2.95	3
Launch mass (t)	313	626
Stages	3	3

Soyuz U

Flight record

97.2% success rate694 of 714 flown · 20 failed

1973peak 1979 · 47 flights2017

Maiden flight 1973-05-18. Retired.

Titan IIIC

Flight record

94.4% success rate34 of 36 flown · 2 failed

1965peak 1965 · 3 flights1982

Maiden flight 1965-06-18. Retired.

Soyuz U is built by Russian Federal Space Agency (ROSCOSMOS) of Russia.Titan IIIC is built by Lockheed Martin of the United States.

Full specifications and the complete launch history for each: Soyuz U · Titan IIIC.

Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.