MOST SECRET. J.I.C.(41) 161 (Restricted Circulation). 19TH APRIL, 1941. COPY NO. 6 WAR CABINET. JOINT INTELLIGENCE SUB-COMMITTEE. ASSEMBLY AND TRAINING AREA FOR OVERSEAS EXPEDITIONS. Note by the Secretary. I attach a copy* of a letter from the Chairman of the Inter-Services Security Board covering a Note† containing certain information obtained from German prisoners of war. The Memorandumø under reference will be placed on the Agenda for the Meeting of the Sub-Committee on Thursday next, 24th April.