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  • Army Nuclear Power Plants

    Designation Description of Reactors SM-1 This stationary military reactor was the Army’s prototype and training facility. It began operation in April 1957 at Fort Belvoir, VA, several months before the Shippingport reactor. SM-1 has the distinction of having been the first nuclear power plant to be hooked to an electrical grid. 2,000 kw. SM-1A Built…

  • Prefab Reactors For Off-Grid Users

    At the top of Mt. Washington, New Hampshire, for example, electricity for the weather station is provided by a diesel generator using fuel that must be moved by small tanker trucks struggling up a very steep grade. The Army Nuclear Power Program was established as part of the Atomic Energy Commission in 1954. It was…

  • Letter from the Editor: Portable Nuclear Reactors

    The United States Army ran an innovative nuclear power program for more than 20 years. The men involved operated a series of small, nuclear heated generating plants in some of the world’s least hospitable environments. The story of what those diligent heros did has been all but lost. Though the Army was the lead service…

  • ML-1 Mobile Power System: Reactor in a Box

    This is an August 2022 update of an article first published in November 1996 and updated in February 2019. The first update was stimulated by discussions associated with DOD’s issuance of an RFI for mobile, modest power output atomic power systems. That RFI resulted in Project Pele, which has now selected BWXT to build a…