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Specification	Athena II Lockheed Martin × remove	Tsiklon-2 Yuzhnoye Design Bureau × remove
Flights	3	105
Success rate	66.7%	98.1%
Thrust	1,900 kN	2,366 kN
Height	28.2 m	39.7 m
Diameter	2.36 m	3 m
Launch mass	120 t	182 t
LEO capacity	2,065 kg	2,820 kg
GTO capacity	593 kg	—
Launch cost	—	$12M
Reusable	No	No
Stages	4	3

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