Heavy-lift version of the Atlas V launch vehicle system with three parallel 3.8-m-diameter Common Core Boosters (CCB), a stretched version of the Centaur upper stage (CIII), which can be configured as a single-engine Centaur (SEC) or a dual engine Centaur (DEC), and a 5 m diameter payload fairing. As of 2004 no work had been authorised to build Atlas V Heavy facilities at either Cape Canaveral or Vandenberg AFB.

Manufacturer: Convair. Payload: 8,600 kg (18,900 lb). to a: earth escape trajectory. Liftoff Thrust: 11,470.000 kN (2,578,550 lbf). Total Mass: 945,000 kg (2,083,000 lb). Core Diameter: 3.81 m (12.49 ft). Total Length: 60.00 m (196.00 ft). Span: 11.50 m (37.70 ft).