The Atomic Weapons Establishment (AWE) is responsible for the design, manufacture and support of warheads for the United Kingdom's nuclear deterrent. AWE plc is responsible for the day-to-day operations of AWE. AWE plc is owned by a consortium of Jacobs Engineering Group, Lockheed Martin UK, and Serco through AWE Management Ltd who hold a 25‑year contract (until March 2025) to operate AWE. All AWE sites remain owned by the UK government who also hold a golden share in AWE plc.