Delta 4 Heavy

Delta 4 Heavy uses three liquid-propellant rocket boosters on its first stage to loft 14,200 kg to geostationary transfer orbit.

An Air Force memo documents negotiated savings of approximately $27,500,000 per launch for the three Delta 4 Heavy missions.

The Air Force Space and Missile Systems Center awarded United Launch Alliance a $149,000,000 contract modification for a Delta 4 Heavy launch of the National Reconnaissance Office mission NROL-68.

The Air Force Space and Missile Systems Center awarded United Launch Alliance a $156,700,000 contract modification on 2019-08-07 for a Delta 4 Heavy launch of the National Reconnaissance Office mission NROL-70.

The Air Force and the National Reconnaissance Office paid United Launch Alliance about $2,200,000,000 for the final five Delta 4 Heavy missions.

The $467,500,000 contract value for three Delta 4 Heavy launches covers production of three launch vehicles and is limited to hardware and labor costs paid in advance to ULA.

The Air Force Space and Missile Systems Center awarded United Launch Alliance a five-year $1,180,000,000 contract for Launch Operations Support to complete the last planned five Delta 4 Heavy National Reconnaissance Office missions from 2020 through 2024.

The Air Force Space and Missile Systems Center negotiated with United Launch Alliance savings of approximately $27,500,000 per launch for the three Delta 4 Heavy missions.