 Complete the following phrase:  The British Middle East Command Camouflage Directorate also known as the Camouflage Unit or Camouflage Branch organised major deception operations for Middle East Command in the Western Desert Campaign of the Second World War. It provided camouflage during the siege of Tobruk; a dummy railhead at Misheifa, and the largest of all, Operation Bertram, the army-scale deception for the decisive 