Although Boeing and Lockheed Martin plan to combine production of their respective Delta 4 and Atlas 5 rockets in the near future, for now the companies are pushing separate solutions based on those vehicles to help NASA achieve its goal of returning astronauts to the Moon by 2020.

To continue reading this article:

Register now to read
3 free articles this month.

You’ll also receive our weekly Editor’s Choice, SpaceNews This Week and Opinions newsletters. Opt-out at any time.

Sign in to an existing account

Get unlimited access to SpaceNews.com, the SpaceNews app and our digital monthly magazine for less than $5 per week.

$280

On a campus or library network? Check for access.

Cancel anytime. Sales tax may apply. No refunds. Terms and conditions apply.

See all subscription options

Brian Berger is editor in chief of SpaceNews.com and the SpaceNews magazine. He joined SpaceNews.com in 1998, spending his first decade with the publication covering NASA. His reporting on the 2003 Space Shuttle Columbia accident was recognized with...