NASA is set to begin rolling out the results of a landmark space exploration architecture study that calls for building an Apollo-like astronaut capsule and conducting up to six lunar sorties per year using rocket hardware derived from the space shuttle.

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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. He was named senior staff writer in 2004, a position he held until being named...