HIS DOCUMENT IS THE PROPERTY OF HIS BRITANNIC MAJESTY'S GOVERNMENT.) TO BE KEPT UNDER LOCK AND KEY. It is requested that special care may be taken to ensure the secrecy of this document. COPY NO. 19 S E C R E T. References J.I.C.(42) 100. 25TH MARCH, 1942. WAR CABINET. JOINT INTELLIGENCE SUB-COMMITTEE. EFFECT OF BOMBING POLICY. Note by the Secretary. With reference to J.I.C. (42) 100 dated 23rd March, 1942, the Chiefs of Staff this morning gave further consideration to this matter and issued the following precise terms of reference to the Sub-Committee:"Instructed the Joint Intelligence Sub-Committee to prepare a report assessing the effect on the German war effort of air attack on Germany and German-occupied territory, with particular reference to assistance to Russia this summer".