In a world first, the US Division of Protection (aka the Division of Struggle) airlifted an entire 5-MW nuclear reactor utilizing a C-17 Globemaster III transport from March Air Reserve Base, California to Hill Air Drive Base, Utah, for meeting and operation.
A part of the Janus Program, the February 15, 2026 occasion, referred to as Operation Windlord, concerned three C-17s loaded with an unfueled Ward250 next-generation microreactor that had been disassembled into eight distinct modules. These had been containerized or skid-loaded for fast deployment.
The train was carried out by the 62nd Airlift Wing, the one US Air Drive unit licensed to routinely transport US nuclear weapons to make sure each security and safety. It demonstrated {that a} nuclear reactor may be handled as rolling inventory like some other piece of apparatus and delivered to distant places with a 3,500-ft (1,000-m) runway.
Ward250
As soon as there, the reactor may be reassembled, fueled, and introduced into full operation in document time. On this case, the Ward250 is anticipated to fireplace up by July 4, 2026, as mandated by Presidential Government Order 14301. Although there have been earlier makes an attempt at airlifting nuclear reactors, this marks the primary time an entire reactor has been shipped as a part of a repeatable, commercial-first logistics chain supposed for operational navy and industrial use relatively than as a one-off scientific take a look at.
The aim of the train was not merely to indicate {that a} small reactor may be loaded onto plane, flown from Level A to Level B, reassembled, and switched on. Based on the US authorities, the Janus Program is meant to handle the armed forces’ rising want for reliable energy provides in each distant and standard places.
Some bases, notably in locations like Alaska, undergo from lengthy, costly, and sophisticated gas and electrical energy provide chains. Past that, the US home electrical grid is getting old and more and more unreliable. Latest state and federal mandates requiring larger reliance on wind and solar energy have additional sophisticated routine entry to electrical energy, particularly underneath harsh climate circumstances.
To counter this, the Janus Program goals to develop the aptitude to quickly deploy nuclear reactors the place wanted for each navy and disaster-relief purposes. It’s claimed that this may assist preserve bases totally operational whereas additionally advancing applied sciences and procedures that would speed up the revival of the American nuclear energy sector.
Constructed by Valar Atomics, the Ward250 is a Excessive-Temperature Fuel-Cooled Reactor (HTGR) working on Tristructural-Isotropic (TRISO) nuclear gas. These seed-sized pellets of Excessive-Assay Low-Enriched Uranium (HALEU), enriched between 5% and 20%, are coated in layers of carbon and ceramic supplies and fashioned into spherical pebbles. The pebbles are fed into the reactor by way of a hopper and, because the nuclear chain response proceeds, are cooled by helium fuel to an working temperature of 750 °C (1,382 °F).
This configuration is favored by engineers for next-generation reactors as a result of it lends itself to modular designs that may be assembled in factories and transported to website. The nuclear response is self-regulating and cooling is basically passive, giving the system a major inherent security margin.
“Right now marks the start of what we think about America’s second Manhattan Mission,” stated Valar Atomics in a earlier assertion. “Not like the unique effort centered on nationwide protection, this initiative harnesses atomic power for civilian energy era, synthetic intelligence infrastructure, and industrial revitalization. The mission requires the identical dedication, urgency, and revolutionary spirit that characterised our nation’s biggest scientific achievements.This implies it meets US Military-specific laws for secure operations at home navy installations.”
Supply: US Government
