It has taken 15 years, but NASA finally has a program analysis and evaluation shop to guide strategic decisions and help keep the U.S. space agency’s wide array of projects in line as it sets out to return to the Moon.

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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...