The Royal Logistic Corps (RLC) provides logistic support

Logistics

Logistics is the management of the flow of goods between the point of origin and the point of destination in order to meet the requirements of customers or corporations. Logistics involves the integration of information, transportation, inventory, warehousing, material handling, and packaging, and...

 functions to the British Army

British Army

The British Army is the land warfare branch of Her Majesty's Armed Forces in the United Kingdom. It came into being with the unification of the Kingdom of England and Scotland into the Kingdom of Great Britain in 1707. The new British Army incorporated Regiments that had already existed in England...

. It is the largest Corps

Corps

A corps is either a large formation, or an administrative grouping of troops within an armed force with a common function such as Artillery or Signals representing an arm of service...

 in the Army, comprising around 17% of its strength. The RLC flag is dark blue with the Corps Badge emblazoned on the centre.
The Royal Logistic Corps (RLC) was formed on Monday 5 April 1993, by the union of the following British Army corps:

• Royal Corps of Transport
  Royal Corps of Transport
  The Royal Corps of Transport was a British Army Corps formed in 1965 from the transport elements of the Royal Army Service Corps and the movement control element of the Royal Engineers . The depot was Buller Barracks in Aldershot...
  
  
• Royal Army Ordnance Corps
  Royal Army Ordnance Corps
  The Royal Army Ordnance Corps was a corps of the British Army. It dealt only with the supply and maintenance of weaponry, munitions and other military equipment until 1965, when it took over most other supply functions, as well as the provision of staff clerks, from the Royal Army Service...
  
  
• Royal Pioneer Corps
  Royal Pioneer Corps
  The Royal Pioneer Corps was a British Army combatant corps used for light engineering tasks.The Royal Pioneer Corps was raised on 17 October 1939 as the Auxiliary Military Pioneer Corps. It was renamed the Pioneer Corps on 22 November 1940...
  
  
• Army Catering Corps
  Army Catering Corps
  The Army Catering Corps was a corps of the British Army, responsible for the feeding of all Army units. It was originally formed in March 1941 as part of the Royal Army Service Corps, and became a corps in its own right in 1965....
  
  
• Royal Engineers
  Royal Engineers
  The Corps of Royal Engineers, usually just called the Royal Engineers , and commonly known as the Sappers, is one of the corps of the British Army....
  
   Postal and Courier Service

The RLC comprises both Regular and Territorial Army units.
The RLC is the only (Combat Service Support) Corps of the British Army with battle honours, derived from the usage of previous transport elements (Royal Waggon Train, etc.) as heavy cavalry.