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Specification	Vulcan VC2S United Launch Alliance × remove	Kosmos 11K63 Strategic Rocket Forces × remove
Flights	2	126
Success rate	100%	93.7%
Thrust	9,303 kN	—
Height	61.6 m	31 m
Diameter	5.4 m	1.6 m
Launch mass	663 t	48 t
LEO capacity	19,000 kg	300 kg
GTO capacity	8,400 kg	—
Launch cost	—	—
Reusable	No	No
Stages	2	2

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