CONFIDENTIAL SUB-COMMITTEE ON MEASURES TO IMPROVE INTELLIGENCE COMPOSITION: Deputy Director, Joint Intelligence Bureau (Chairman) Representatives (of at least 1st Secretary, 1st Grade Staff Officer or equivalent status) of: Foreign Office The Service Departments. The Secret Service. Directorate of Scientific Intelligence. The Security Service and G.C.H.Q. to receive all papers and to be entitled to attend any meetings as full members. TERMS OF REFERENCE (a) To keep under review the measures to improve Intelligence which have been recommended to the Chiefs of Staff and as far as possible to see that they are put into effect.