Manufacturer: Boeing (prime contractor), Aerojet Rocketdyne (engines)
Height: 111.25 meters (365 feet)
Core Stage Diameter: 8.4 meters (27.6 feet)
Mass: 2,608 metric tons
Payload to LEO: 95-130 metric tons (depending on configuration)
Stages: 2 (Core Stage + Upper Stage)
Engines:Core Stage: 4 RS-25 engines (LH2/LOX),Boosters: 2 solid rocket boosters, Upper Stage: RL10 engine (in various configurations)
