(d) That I.S.T.D. should set up a nucleus Branch to undertake the collection of topographical material on the countries covered by the "Central Section" of the proposed J.I.B., staffed mainly by suitable civilians who wish to remain in ISTD/JIB, assisted by a few Service officers suitable for collecting missions abroad. (e) That I.S.T.D. should work out a detailed release programme for all Service and civilian staff not required to implement the proposals (b), (c) and (d) above, aiming to begin releases during September and complete the release of all redundant staff by 31st December.