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Specification	Thor Burner 1 McDonnell Douglas × remove	Voskhod Soviet Space Program × remove	Molniya-M 2BL Russian Space Forces × remove
Flights	4	299	272
Success rate	75%	95.7%	95.2%
Thrust	668 kN	—	—
Height	23 m	—	—
Diameter	2.44 m	—	—
Launch mass	50 t	—	—
LEO capacity	—	—	—
GTO capacity	—	—	—
Launch cost	—	—	—
Reusable	No	No	No
Stages	2	—	—

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