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Specification	Scout X-4 Vought × remove	Molniya-M 2BL Russian Space Forces × remove	Electron Rocket Lab × remove
Flights	12	272	91
Success rate	91.7%	95.2%	95.6%
Thrust	513 kN	—	162 kN
Height	25 m	—	18 m
Diameter	1.01 m	—	1.2 m
Launch mass	17 t	—	13 t
LEO capacity	103 kg	—	300 kg
GTO capacity	—	—	—
Launch cost	—	—	$6M
Reusable	No	No	No
Stages	4	—	3

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