The Royal Gloucestershire, Berkshire and Wiltshire was an infantry regiment of the British Army. It was formed in 1994 by the amalgamation of two British regiments. * The Gloucestershire Regiment * The Duke of Edinburgh's Royal Regiment (Berkshire and Wiltshire) The regiment was unique in the British Army in that it was permitted to wear the United States Distinguished Unit Citation, which it inherited from the 1st Battalion, Gloucestershire Regiment which was awarded for their defence of Gloster Hill during the Battle of the Imjin River in April 1951 during the Korean War.