ATLANTA–(BUSINESS WIRE)–Mirion, a global leader in radiation safety, science, and medicine, announced today that its Mirion Technologies and Paragon Energy Solutions businesses supported multiple advanced reactor designs that have achieved criticality milestones in the U.S. Department of Energy (DOE) Reactor Pilot Program, established under Executive Order 14301. In May 2025, the Administration issued executive orders to strengthen and accelerate the U.S. nuclear industry. Executive Order 143