President Trump’s executive orders have jolted the U.S. nuclear sector. One year on, concrete funding, regulatory reforms and fresh commercial applications show momentum building fast. Billions in federal support now back specific projects. Timelines once measured in decades have compressed. And the focus has expanded beyond power plants to data centers, manufacturing and even oceangoing vessels. Short timelines. High stakes. The administration set an ambitious goal: quadruple domestic nuclear capacity to 400 gigawatts by 2050. Early results appear in the form of $800 million awarded late last year to the Tennessee Valley Authority and Holtec Government Services for initial deployments of advanced light-water small modular reactors. A further $94 million went in May 2026 to eight American companies to close supply-chain gaps and prepare sites. These steps follow a March 2025 solicitation aimed at de-risking Gen III+ designs. U.S.…