E N c L O S U R E. TRANSLATION. Franco-British Committee for Military studies. [D.F. No. 40] LONDON, 25th October, 1939. NOTE IN CONNECTION WITH THE EXCHANGE OF SECRET COMMUNICATIONS BETWEEN ALLIED COMMANDS OVERSEAS. (Previous reference M.R.(J)(39)17). Reference: The Note from Captain A.W. Clarke, Assistant Secretary to the British War Cabinet, dated 4th October, 1939; setting forth the opinion of the Chiefs of the British General Staff with regard to the mode of secret communications between Allied Commands in operations overseas.