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Specification	Athena II Lockheed Martin × remove	Falcon 9 Block 5 SpaceX × remove
Flights	3	610
Success rate	66.7%	99.8%
Thrust	1,900 kN	7,607 kN
Height	28.2 m	70 m
Diameter	2.36 m	3.65 m
Launch mass	120 t	549 t
LEO capacity	2,065 kg	22,800 kg
GTO capacity	593 kg	8,300 kg
Launch cost	—	$52M
Reusable	No	Yes
Stages	4	2

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