2026年8月27日，美国陆军宣布将向五家公司授予总计22亿美元（17亿欧元）的合同，用于在军事基地建造和运营小型核微反应堆1。这项名为“Janus”的项目旨在2028年9月底前部署首座反应堆，每座微反应堆可提供高达20兆瓦的电力1。获得合同的五家企业及其对应基地分别为：Antares Nuclear（北卡罗来纳州布拉格堡）、BWXT Advanced Technologies（肯塔基州坎贝尔堡）、General Atomics Electromagnetic Systems（德克萨斯州胡德堡）、Radiant Industries（佐治亚州本宁堡）以及Westinghouse Government Services（纽约州德拉姆堡）1。
该项目致力于提升军事基地的能源韧性并减少对外部电网的依赖，同时为未来的商业化核微反应堆产品铺路1。陆军部长丹·德里斯科尔（Dan Driscoll）表示，该项目将加速军方“向我们的设施直接提供安全、可靠的基荷电力”的能力1。美国陆军设施、能源与环境首席副助理部长杰夫·瓦克斯曼（Jeff Waksman）强调：“我们的整体构想是，在项目后期推出一款商业化产品。”1 Radiant首席商务官迈克·斯塔雷特（Mike Starrett）称，Janus项目将帮助该公司在2030年左右满足数据中心等商业客户的需求1。BWXT总裁兼首席执行官雷克斯·格维登（Rex Geveden）也表示：“随着我们启动Janus项目，我们正在为国家提供最可信、最可靠的可部署核能路径。”1
在监管与运营方面，这些反应堆将由美国陆军而非美国核管理委员会进行监管1。美国陆军正与能源部协商移除放射性废料，确保基地不会进行长期储存1。然而，该项目也面临批评。德克萨斯大学奥斯汀分校副教授艾伦·J·库珀曼（Alan J. Kuperman）指出，该项目实质上是在利用军方“雄厚财力为核公司提供隐性补贴”，并警告核技术存在安全和事故风险1。
此举发生在美国政府加速核能发展的背景下。2025年5月，特朗普总统签署了一项旨在加速核能发展的行政令，呼吁将美国核能产量翻两番1。目前，美国94座核反应堆供应了全国约19%的电力，而化石燃料和可再生能源的占比分别约为60%和21%1。
On August 27, 2026, the US Army announced it will award $2.2 billion (1.7 billion euros) in contracts to five companies to build and operate small nuclear microreactors at military bases, with the goal of deploying the first reactor by the end of September 2028 1. Each microreactor can provide up to 20 megawatts of power and will be regulated by the Army rather than the Nuclear Regulatory Commission 1. The selected companies and their respective base locations are Antares Nuclear at Fort Bragg in North Carolina, BWXT Advanced Technologies at Fort Campbell in Kentucky, General Atomics Electromagnetic Systems at Fort Hood in Texas, Radiant Industries at Fort Benning in Georgia, and Westinghouse Government Services at Fort Drum in New York 1. Additionally, the Army is coordinating with the Department of Energy to remove radioactive waste, ensuring that no long-term storage will occur at the bases 1.
The Janus program aims to enhance energy resilience at military bases and reduce reliance on external grids while paving the way for future commercial nuclear microreactor products 1. Jeff Waksman, the Army's principal deputy assistant secretary for installations, energy, and environment, stated, "The whole idea here is that at the back end of this we want a commercial product" 1. Army Secretary Dan Driscoll noted that the initiative will accelerate the military's ability to "provide safe, reliable baseload power directly to our facilities" 1. Radiant Chief Commercial Officer Mike Starrett said the Janus program will help the company meet commercial client needs, such as data centers, by around 2030 1. BWXT President and CEO Rex Geveden added, "As we commence work on the Janus program, we are delivering the nation's most credible and reliable path to deployable nuclear power" 1.
Despite the military's push, the project has faced criticism. Alan J. Kuperman, an associate professor at the University of Texas at Austin, argued that the initiative essentially uses the military's "deep pockets to provide a hidden subsidy for nuclear companies" and pointed out the safety and accident risks associated with nuclear technology 1. The Army's nuclear expansion aligns with a broader national strategy, following an executive order signed by President Trump in May 2025 to accelerate nuclear energy development and quadruple US nuclear output 1. Currently, the nation's 94 nuclear reactors supply approximately 19% of the country's electricity, while fossil fuels account for about 60% and renewables make up roughly 21% 1.
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