Naval Reactors
Naval Reactors (NR), which administers the Naval Nuclear Propulsion Program, is an umbrella term for the U.S. government office that has comprehensive responsibility for the safe and reliable operation of the United States Navy's nuclear reactors "from womb to tomb." The deputy administrator for Naval Reactors concurrently serves as director of the Naval Nuclear Propulsion Program, establishing a single entity who has authority and reporting responsibilities within both the Naval Sea Systems Command (NAVSEA 08), reporting to the chief of naval operations, and the National Nuclear Security Administration (NNSA NA-30), reporting to the NNSA administrator. Naval Reactors is headed by a Navy four-star admiral.