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    U.S. Army Corps of Engineers completes decommissioning and dismantlement of historic SM-1 nuclear power plant [Image 4 of 19]

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    The image shows a bronze commemorative plaque for the Army Package Power Reactor, identified as the U.S. Army's first nuclear-powered generating station. The concept was developed by Oak Ridge National Laboratories, with design and construction by Alco Products, Incorporated. The plaque indicates it was dedicated on April 29 (full date partially cut off) under contract with the United States Atomic Energy Commission for the U.S. Army Corps of Engineers.

    FORT BELVOIR, VIRGINIA, UNITED STATES

    09.09.2026

    Photo by Thomas Deaton 

    U.S. Army Corps of Engineers, Baltimore District   

    The original 1957 building marker from the SM-1 Nuclear Power Plant sits on display during a project close-out ceremony marking the completion of all field activities associated with the decommissioning and dismantlement of the former plant at Fort Belvoir, Virginia, Sept. 9, 2026. The Baltimore District, U.S. Army Corps of Engineers (USACE) is home to the USACE Radiological Health Physics Regional Center of Expertise, which provides radiation safety and technical support to the U.S. Army and other federal agencies at home and abroad and began fieldwork at SM-1 in 2021. SM-1 was the Army’s first nuclear reactor and the first facility in the United States to supply nuclear-generated power to the commercial grid for a sustained period. (U.S. Army photo by Thomas I. Deaton)

    IMAGE INFO

    Date Taken: 09.09.2026
    Date Posted: 09.11.2026 10:43
    Photo ID: 9927251
    VIRIN: 260909-A-WK509-1001
    Resolution: 7360x4912
    Size: 8.95 MB
    Location: FORT BELVOIR, VIRGINIA, US

    Web Views: 6
    Downloads: 0

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