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Specification	Athena I Lockheed Martin × remove	Voskhod Soviet Space Program × remove
Flights	4	299
Success rate	75%	95.7%
Thrust	1,900 kN	—
Height	18.9 m	—
Diameter	2.36 m	—
Launch mass	66 t	—
LEO capacity	820 kg	—
GTO capacity	—	—
Launch cost	—	—
Reusable	No	No
Stages	3	—

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