COMPOSITION OF THE SUB-COMMITTEE Chairman— Sir Harold Hartley. Members— Captain (E) J.P. Charley, R.N., Admiralty. Engineer Commander G.W. Cannan, R.N., Admiralty. Captain T.C. Owtram, War Office. Squadron Leader D.A.C. Dewdney Air Ministry. Mr. R.M.C. Turner, Ministry of Economic Warfare. Mr. O.F. Thompson, Ministry of Economic Warfare. Mr. E.A. Berthoud, Ministry of Fuel and Power. Mr. G.D. MacDougall, Prime Minister's Statistical Branch. Mr. C.E. Meyer, American Embassy. Lieutenant-Colonel S.J.M.