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At March Air Reserve Base, California, today, a next-generation nuclear reactor was loaded aboard a C-17 Globemaster III aircraft for transport to Hill Air Force Base, Utah. The reactor will eventually head to the Utah San Rafael Energy Lab for testing and evaluation.
The Ward 250 is a 5 megawatt nuclear reactor that fits into the back of a C-17 aircraft could theoretically power about 5,000 homes.
For military use, such a reactor could provide energy security on a military base ensuring the mission there need not depend on the civilian power grid, and in military operations overseas, such reactors would mean U.S. forces could operate without concern that an enemy might cut fuel supplies.
A reactor such as the Ward 250 also means greater energy security for the entire United States. It is firmly in line with President Donald J. Trump's executive orders to reshape and modernize America's nuclear energy landscape.
The president signed four executive orders designed to advance America's nuclear energy posture, May 23, 2025. Those include "Reinvigorating the Nuclear Industrial Base," "Reforming Nuclear Reactor Testing at the Department of Energy," "Ordering the Reform of the Nuclear Regulatory Commission," and "Deploying Advanced Nuclear Reactor Technologies for National Security."
Michael P. Duffey, the undersecretary of war for acquisition and sustainment, said the partnership between the War and Energy Departments is critical to advancing the president's nuclear energy initiatives.
"It's clear to me that advancing President Trump's priority on nuclear energy depends on close coordination between the Department of Energy and the Department of War," Duffey said. "This partnership ensures advanced nuclear technologies are developed, evaluated and deployed in ways that strengthen energy resilience and national security."
The future of warfare is energy-intensive, he said, and includes AI data centers, directed-energy weapons, and space and cyber infrastructure. The civilian power grid was not built for that, and so the War Department will need to build its own energy infrastructure.
"Powering next generation warfare will require us to move faster than our adversaries, to build a system that doesn't just equip our warfighters to fight, but equips them to win at extraordinary speed," Duffey said. "Today is a monumental step toward building that system. By supporting the industrial base and its capacity to innovate, we accelerate the delivery of resilient power to where it's needed."
Secretary of Energy Chris Wright said that with small reactors like those transferred from March Air Reserve Base to Hill Air Force Base, the United States is aiming for a nuclear energy renaissance.
"The American nuclear renaissance is to get that ball moving again, fast, carefully, but with private capital, American innovation and determination," Wright said. "President Trump signed multiple executive orders that have unleashed tremendous reform of all the things that stopped the American nuclear industry from moving."
Part of that effort, he said, will mean that by July 4, 10 small reactors will be critical — or running smoothly.
"That's speed, that's innovation, that's the start of a nuclear renaissance," Wright said.
