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Specification	Orbex Prime Orbex × remove	Kosmos-3M (11K65M) Russian Space Forces × remove	Electron Rocket Lab × remove
Flights	0	445	91
Success rate	—	95.1%	95.6%
Thrust	—	—	162 kN
Height	19 m	—	18 m
Diameter	1.3 m	—	1.2 m
Launch mass	18 t	—	13 t
LEO capacity	—	—	300 kg
GTO capacity	—	—	—
Launch cost	—	—	$6M
Reusable	No	No	No
Stages	2	—	3

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