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Specification	Thor Delta B McDonnell Douglas × remove	Proton K/DM-2 Khrunichev State Research and Production Space Center × remove
Flights	9	110
Success rate	88.9%	93.6%
Thrust	667 kN	—
Height	31 m	—
Diameter	2.44 m	—
Launch mass	51 t	—
LEO capacity	370 kg	—
GTO capacity	68 kg	—
Launch cost	$9.59M	—
Reusable	No	No
Stages	3	—

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