Atlas V 421421

Manufacturer: United Launch Alliance · Maiden flight: 11 October 2007 · Wikipedia (opens in new tab)

Atlas V is an expendable launch system in the Atlas rocket family. It was formerly operated by Lockheed Martin and is now operated by United Launch Alliance (ULA), a joint venture with Boeing. Each Atlas V rocket uses a Russian-built RD-180 engine burning kerosene and liquid oxygen to power its first stage and an American-built RL10 engine burning liquid hydrogen and liquid oxygen to power its Centaur upper stage. The RD-180 engines are provided by RD Amross, while Aerojet Rocketdyne provides both the RL10 engines and the strap-on boosters used in some configurations. The 421 version uses a 4m wide fairing, 2 solid rocket boosters and one engine on the Centaur stage.

Recent launches

Atlas V 421 | SBIRS GEO-6

United Launch Alliance · Cape Canaveral SFS, FL, USA

4 August 2022Save Atlas V 421 | SBIRS GEO-6☆

Atlas V 421 | SBIRS GEO-5

United Launch Alliance · Cape Canaveral SFS, FL, USA

18 May 2021Save Atlas V 421 | SBIRS GEO-5☆

Atlas V 421 | NROL-52

United Launch Alliance · Cape Canaveral SFS, FL, USA

15 October 2017Save Atlas V 421 | NROL-52☆

Atlas V 421 | NROL-61

United Launch Alliance · Cape Canaveral SFS, FL, USA

28 July 2016Save Atlas V 421 | NROL-61☆

Atlas V 421 | Mexsat-2 (Morelos III)

United Launch Alliance · Cape Canaveral SFS, FL, USA

2 October 2015Save Atlas V 421 | Mexsat-2 (Morelos III)☆