Subjects include: procedures of the Chiefs of Staff Committee; rebuilding the Fleet as relating to the safety of the Far East; the defence of Singapore; disarmament; the limitation of air armaments; pre-First World War differences between the Admiralty and War Office; the air base at Formosa [Taiwan]; Admiralty requirements for aircraft; the administration of Aden [Adan, South Yemen, later part Yemen]; defence of ports in South Africa; the use of air power in war; protection of the Haifa-Baghdad railway and oil pipeline [Israel and Iraq]; the Channel Tunnel, as related to the French failure to destroy mountain tunnels during the Franco-Prussian War; admitting officers from the Irish Free State [later Ireland] into the Royal Air Force Staff College; air disarmament and prohibition of bombing; the worsening relations between Trenchard and Hankey over Trenchard's criticism of the Chiefs of Staff Committee; Hankey's account of the First World War, "The Supreme Command".

Also includes notes and annotations by Stephen Roskill.