Correspondents on defence issues include: 5th Lord Munster [earlier Geoffry FitzClarence] (2); Robert Cary on developments in Japanese naval armaments and the implications for Singapore; Neville Chamberlain, Prime Minister, on WSC's notes on aircraft types (2); Sir Henry Strakosch (3); F A Lindemann [later 1st Lord Cherwell] on Strakosch's figures for the air raids on Barcelona [Spain]; [Eric] John Hodsoll [Inspector-General], Home Office ARP Department, on the state of the ARP programme, particularly in Manchester, Bristol, Birmingham and Sheffield [Yorkshire]; John Moore-Brabazon [later 1st Lord Brabazon of Tara] on WSC's article ["Future Safeguards of National Defence"]; Admiral of the Fleet 1st Lord Chatfield [1st Sea Lord and Chief of Naval Staff] on the visit by himself and WSC to anti-submarine trials (2); Sir Archibald Sinclair [later 1st Lord Thurso]; Leslie Hore-Belisha, Secretary of State for War, on subjects including WSC's information about fortifications on the Spanish and Moroccan coasts (3); Desmond Morton; "Louis" [Edward Spears] on the shortcomings of anti-aircraft communications; Air Marshal Sir Arthur Longmore, Commandant, Imperial Defence College, asking WSC to speak at the college (6); Robert Fearnley-Whittingstall on the shortages of equipment and breakdown of organization of the defence forces during the Munich Crisis (4); 1st Lord Hailey on the Air Raid Defence League.Other subjects include: the Expeditionary Force; WSC's views on Leslie Hore-Belisha.Also includes: press cutting from the Daily Telegraph on Japanese naval armaments; drafts of a memorandum by WSC on aircraft types; notes on WSC's memorandum by Desmond Morton and Wing-Commander Charles Anderson; notes by Sir Henry Strakosch on "Our Armaments Programme" and on air raids on Barcelona and the similar effects of raids on London and Paris [France]; ARP service leaflet; notes on a former German munitions plant in the Netherlands; summary of artillery and fortifications on the coasts of Spain and Morocco; note on the Air Raid Defence League, including a copy of a letter from Sir John Anderson [later 1st Lord Waverley]; official figures for the dimensions, weights and performance of British aircraft, 1938; note on workshop layout and overhaul methods, and the lack of co-ordination in the RAF; notes and copies of correspondence by WSC and Violet Pearman [Secretary to WSC] and Eric Seal [Principal Private Secretary to WSC as Prime Minister] to individuals listed above and also to others including Edward Fitzroy, Speaker of the House of Commons.The majority of material in this file date to 1938. Some additional papers were added to the file in January 1996.