WASHINGTON — Rob Peckham is joining Boeing Space and Intelligence Systems as director of commercial and civil business development after only six months at Space Exploration Technologies Corp. (SpaceX), the commercial space venture led by PayPal co-founder Elon Musk.

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Warren Ferster is the Editor-in-Chief of SpaceNews and is responsible for all the news and editorial coverage in the weekly newspaper, the spacenews.com Web site and variety of specialty publications such as show dailies. He manages a staff of seven reporters...