ANNEX. INTER-SERVICES CYPHER AND W/T SECURITY COMMITTEE. 1. COMPOSITION. Chairman: Captain J.R.S. Haines, R,N. Secretary: Commander J.F. Bowyer, R.N.V.R. Members: G.C. & C.S. Commander E.W. Travis. Colonel J.H. Tiltman (M.I.8). Admiralty Paymaster Commander D.A. Wilson, R.N. Lt. Commander B.T. Turner. War Office Captain T.J. Fielding. Mr. J.H. Williams. Air Ministry Squadron Leader Johnston. The under-mentioned will represent their Departments when necessary:Dominions Office .... Mr. Costley white.