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Specification	Thor Delta D McDonnell Douglas × remove	Tsiklon-2 Yuzhnoye Design Bureau × remove
Flights	2	105
Success rate	100%	98.1%
Thrust	1,571 kN	2,366 kN
Height	32 m	39.7 m
Diameter	2.44 m	3 m
Launch mass	63 t	182 t
LEO capacity	450 kg	2,820 kg
GTO capacity	104 kg	—
Launch cost	$12.72M	$12M
Reusable	No	No
Stages	4	3

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