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Specification	Thor SLV-2A Agena D McDonnell Douglas × remove	Proton K/DM-2 Khrunichev State Research and Production Space Center × remove
Flights	61	110
Success rate	93.4%	93.6%
Thrust	1,571 kN	—
Height	31 m	—
Diameter	2.44 m	—
Launch mass	67 t	—
LEO capacity	—	—
GTO capacity	—	—
Launch cost	—	—
Reusable	No	No
Stages	3	—

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