183 CONCLUSIONS. 3. (a) The Chiefs of Staff agreed that the Joint Planning Sub-Committee and the Joint Intelligence Sub-Committee should collaborate in preparing a paper summarising the information required by paragraph 2 (i), (ii) and (iii) of the Enclosure for the consideration of the Chiefs of Staff. (b) The Secretary, Committee of Imperial Defence, undertook to obtain from the Air Raid Precautions Department of the Home Office the information required by paragraph 2 (iv). (Signed) M.P.A. HANKEY.