The 9th/12th Royal Lancers (Prince of Wales's) is a cavalry regiment of the British Army, formed in 1960 by the amalgamation of the 9th Queen's Royal Lancers and the 12th Royal Lancers. It is currently a formation reconnaissance regiment, equipped with the Combat Vehicle Reconnaissance (Tracked) family of vehicles and attached to the 7th Armoured Brigade, the Desert Rats. The regiment is based in South Wigston, Leicestershire, along with its affiliated Territorial Army unit, The Leicestershire and Derbyshire Yeomanry, which forms B Squadron of The Royal Yeomanry.