Manufacturer: United Launch Alliance (ULA)

Height: 58.3 meters (191 feet)

Diameter: 3.81 meters (12.5 feet)

Mass: 334,500 kg (737,000 lb)

Payload to LEO: 18,814 kg (41,478 lb)

Payload to GTO: 8,900 kg (19,621 lb)

Stages: 2

Engines:First Stage: 1 RD-180 engine (RP-1/LOX),Second Stage: 1 RL10 engine (cryogenic hydrogen/LOX)

Launch Sites: Cape Canaveral, Vandenberg Space Force Base