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Specification	Ariane 64 ArianeGroup × remove	Proton K/DM-2 Khrunichev State Research and Production Space Center × remove
Flights	2	110
Success rate	100%	93.6%
Thrust	15,000 kN	—
Height	63 m	—
Diameter	5.4 m	—
Launch mass	860 t	—
LEO capacity	21,650 kg	—
GTO capacity	12,000 kg	—
Launch cost	$90M	—
Reusable	No	No
Stages	2	—

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