9th / 12th Royal Lancers 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 . History . The amalgamation of the 9th Lancers and 12th Lancers took place on 11 September 1960 in Tidworth Garrison Church . The inscription reads : " " Here on the 11 September 1960 , 9th / 12th Royal Lancers ( Prince of Wales ' s ) was formed by the 9th Queen ’ s Royal Lancers and the 12th Royal Lancers ( Prince of Wales ' s ) coming together before God . It is not the beginning but the continuing of the same until it be thoroughly finished , which yieldeth the true glory . " " Since then the Regiment has served in Aden , Oman , Belize , Saudi Arabia , Canada , with the UN in Cyprus , in Germany throughout the Cold War and Northern Ireland throughout The Troubles . D Squadron deployed to the Middle East in 1991 on Operation " Granby " to provide Battle Casualty Replacements . On 10 May 1972 the Regiment received the Freedom of Derby and in 2000 the Queen Mother paid a visit to present a new Guidon shortly before her 100th birthday . The Regiment was once again at the forefront in 1992 as part of the deployment to Bosnia on Operation " Grapple " 1 and it was to return to both Bosnia and Kosovo on numerous occasions over the coming decade . From 2000 , the operational activity of the Regiment has concentrated on the Balkans and the Middle East , interspersed with two deployments to Canada in 2002 as OPFOR ( opposing force ) and 2007 as both OPFOR and as a formation reconnaissance battlegroup . It took part in Operation " Telic " in Iraq and Operation " Herrick " in Afghanistan . The 9th / 12th Royal Lancers completed their third tour to Iraq in December 2008 and are currently deployed on operations in Afghanistan . In 2012 , as part of the " Army 2020 " reforms intended to reduce the size of the British Army in line with the Strategic Defence and Security Review , it was announced that the 9th / 12th Royal Lancers would be amalgamated with the Queen ' s Royal Lancers to form a single regiment , The Royal Lancers ( RL ) . Battle honours . The regiment carries the following battle honours awarded to its predecessors : Mons Moy . " Mons Moy " is the weekend that the Regiment , both serving and old comrades , remember the Fallen of all conflicts . Where commitments allow , it falls between 28 August and 7 September . On 28 August 1914 at Moy , the 12th Royal Lancers ( Prince of Wales ' s ) successfully charged against the German Guard Dragoons . On 7 September 1914 at Moncel the 9th Queen ' s Royal Lancers were successful in the last lance - on - lance charge of the First World War . Regimental Collect . " O Eternal God , grant to us , thy servants of the 9th / 12th Royal Lancers , strength , guidance , courage , and steadfast Faith , that we may ever serve thee truly ; and finally by thy mercy attain everlasting glory , through Jesus Christ our Lord - " Amen " " Regimental Museum . The Regimental Museum Display is housed within the Soldier ’ s Story gallery at Derby Museum and Art Gallery Future . In 2012 , as part of the Army 2020 reforms intended to reduce the size of the British Army in line with the Strategic Defence and Security Review , it was announced that the 9th / 12th Royal Lancers would be amalgamated with the Queen ' s Royal Lancers to form a single regiment , The Royal Lancers ( RL ) , sometime before 2015 .