The Royal Navy Propellant Factory, Caerwent was a facility at Caerwent, Monmouthshire, Wales, UK, (later RAF Caerwent) which was originally dedicated to the manufacture and storage of Royal Naval munitions. Since its closure as an armament works in 1966, it has been used by the US military and the British Army. It is now used as the Caerwent Training Area. A new purpose-built military barracks is set to be built on the site to house 1st The Queen's Dragoon Guards and 1st Battalion, The Rifles from 2027.