Sandia National Laboratories: Sandia National Laboratories (Sandia) is responsible for the development, testing, and production of specialized nonnuclear components and quality assurance and systems engineering for all U.S. nuclear weapons. Sandia has locations in Albuquerque, New Mexico; Livermore, California; Kauai, Hawaii; and Tonopah, Nevada. It is managed and operated by National Technology and Engineering Solutions of Sandia, LLC.

Lawrence Livermore National Laboratory: Lawrence Livermore National Laboratory (LLNL), located in Livermore, California, is a design laboratory that is responsible for the safety and reliability of the nuclear explosives package in nuclear weapons. It supports surveillance, assessment, and refurbishment of the nuclear weapons stockpile. LLNL also possesses unique high-energy-density physics capabilities and scientific computing assets. It is managed and operated by Lawrence Livermore National Security, LLC.

Nevada National Security Site: NNSA’s Nevada National Security Site (NNSS) helps ensure the security of the United States and its allies by supporting the stewardship of the nuclear deterrent, providing emergency response capability and training, and contributing to key nonproliferation and arms control initiatives. It executes unique national-level experiments, supports national security customers, manages the legacy of the nuclear deterrent, and provides long-term environmental stewardship for site missions. NNSS was formerly known as the Nevada Test Site. It is run by Mission Support and Test Services, LLC.

Los Alamos National Laboratory: Los Alamos National Laboratory (LANL), located in Los Alamos, New Mexico, is a design laboratory responsible for the safety and reliability of the nuclear explosives package in nuclear weapons. This lab possesses unique capabilities in neutron scattering, enhanced surveillance, radiography, and plutonium science and engineering. LANL is run by Triad National Security, LLC.

Pantex Plant: Pantex Plant, near Amarillo, Texas, maintains the safety, security, and effectiveness of the nation’s nuclear weapons stockpile. Work performed at Pantex includes support of the nuclear weapons life extension programs; nuclear weapons dismantlement; the development, testing, and fabrication of high explosive components; and interim storage and surveillance of plutonium pits. It is managed and operated by Consolidated Nuclear Security, LLC.

Kansas City National Security Campus: Kansas City National Security Campus (KCNSC), located near Kansas City, Missouri, is responsible for manufacturing and procuring nonnuclear components for nuclear weapons, including electronic, mechanical, and engineered material components. It supports national laboratories, universities, and U.S. industry. KCNSC was formerly known as the Kansas City Plant. It is managed and operated by Honeywell Federal Manufacturing & Technologies, LLC.

Y-12 National Security Complex: Y-12 National Security Complex, in Oak Ridge, Tennessee, is the nation’s only source of enriched uranium nuclear weapon components and provides enriched uranium for the U.S. Navy. It excels in materials science and precision manufacturing and stores enriched uranium. Y-12 supports efforts to reduce nuclear proliferation risk and performs work for other government agencies. It is managed and operated by Consolidated Nuclear Security, LLC.

Savannah River Site: Savannah River Site (SRS) near Aiken, South Carolina, supplies and processes tritium, a radioactive form of hydrogen that is a key component of nuclear weapons. SRS loads tritium and non-tritium reservoirs; processes reservoirs; and recycles, extracts, and enriches tritium gas. SRS also plays a key role in NNSA’s nonproliferation missions. SRS is run by Savannah River Nuclear Solutions.

Naval Nuclear Laboratory: The Naval Nuclear Laboratory (NNL) provides broad support for the Naval Nuclear Propulsion Program in the design, development, improvement, maintenance, training for the operation of naval nuclear propulsion plants, and the ultimate disposition of the plants. It consists of Bettis Atomic Power Laboratory in West Mifflin, PA; Knolls Atomic Power Laboratory in Niskayuna, NY; the Kenneth A. Kesselring Site in West Milton, NY; and the Naval Reactors Facility in Idaho. NNL is managed and operated by Fluor Marine Propulsion, LLC.