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Naval Reactors Change of Command and Retirement Ceremony in honor of Admiral Frank Caldwell, Director, Naval Nuclear Propulsion Program. Adm. Caldwell was relieved by Admiral William Houston in a ceremony at the Washington Navy Yard Jan. 10. The official party included the Honorable Jennifer Granholm, Secretary of Energy; the Honorable Carlos Del Toro, Secretary of the Navy; and Admiral Lisa Franchetti, Chief of Naval Operations. (U.S. Navy photo by Laura Lakeway)
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