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Specification	Delta II 7920-10 United Launch Alliance × remove	Electron Rocket Lab × remove
Flights	9	91
Success rate	100%	95.6%
Thrust	—	162 kN
Height	38.7 m	18 m
Diameter	2.4 m	1.2 m
Launch mass	251 t	13 t
LEO capacity	5,959 kg	300 kg
GTO capacity	1,828 kg	—
Launch cost	$51M	$6M
Reusable	No	No
Stages	2	3

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