Kate is narrator of a new NASA documentary, "Of Ashes and Atoms", about the former nuclear reactor at Plum Brook Station, the National Aeronautics and Space Administration facility in Perkins Township, Ohio. 
More information:
Documentary revisits Plum Brook's past
The Morning Journal
Lorain, Ohio
July 8, 2004
(external link)
Kate Mulgrew and Jim Polaczynski (Director, "Of Ashes and Atoms") during narration recording session.  Recorded October 9, 2003 at Commercial Recording Studios in Independence, Ohio.

Photos by Quentin Schwinn
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When seen on DVD, Of Ashes and Atoms measures up well against higher budget primetime programs like NOVA. The fact that the narration is meticulously executed by Kate Mulgrew (Captain Janeway of Star Trek: Voyager) helps. Mulgrew's performance is polished and thoughtful, a quality that Polaczynski attributes to her professionalism. "I hardly had to give her any direction," he said. "Most of the time, she would ask for retakes herself whenever they were required." 

One last look at Plum Brook -- NASA shoots documentary of nuclear facility.

Government Video (March 1, 2005): p28.