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Specification	Project Pilot US Navy × remove	Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove
Flights	6	714
Success rate	0%	97.2%
Thrust	125 kN	—
Height	4.4 m	51.1 m
Diameter	0.76 m	2.95 m
Launch mass	0 t	313 t
LEO capacity	1 kg	6,900 kg
GTO capacity	—	—
Launch cost	—	—
Reusable	No	No
Stages	5	3

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