Antares raises $470M to build nuclear reactors for the US military

Antares Nuclear raised $470 million in Series C funding to advance small modular reactors for U.S. military bases.

Its prototype recently reached criticality at Idaho National Laboratory, marking a key technical milestone.

Antares is also a finalist in a Pentagon program to test reactors on Air Force bases.

The round underscores strong investor interest in advanced nuclear power for defense and future electricity needs.