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Specification	Atlas IIIA Lockheed Martin × remove	Proton K/DM-2 Khrunichev State Research and Production Space Center × remove
Flights	2	110
Success rate	100%	93.6%
Thrust	4,149 kN	—
Height	52.8 m	—
Diameter	3.05 m	—
Launch mass	214 t	—
LEO capacity	8,640 kg	—
GTO capacity	4,055 kg	—
Launch cost	—	—
Reusable	No	No
Stages	2	—

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