File includes: Correspondence and papers on WSC's activities as Hon. Air Commodore, 615 (County of Surrey) Squadron, RAAF, 1952-53, including correspondence with Squadron Leader F B Sowrey (8) on his command of the squadron, 1952-53, on award of the Cooper Trophy for the most efficient Auxiliary Squadron at Armament Practice Camp, 1952, correspondence and papers on joint inspection of 600 and 615 Squadrons by the Honorary Air Commodores, Queen Elizabeth the Queen Mother and WSC, 1952, including letter from 6th Lord De L'Isle and Dudley, Secretary of State for Air [earlier William Sidney, later 1st Lord De L'Isle], correspondence with Squadron Leader R A Eeles, (7) on command of the squadron, 1954-57, letter from Air Marshal Sir Dermot Boyle, C. in C., Fighter Command on award of the Esher Trophy to 615 Squadron, 1954; correspondence with George Ward MP, Secretary of State for Air, (2) on disbandment of Auxiiliary Air Force Squadrons, 1957.Correspondence and papers on WSC's activities as Honorary Colonel, 2nd (Cinque Ports) Battalion, The Buffs, 1953;.Correspondence and papers on WSC's activities as Honorary Colonel, 4th Battalion, Essex Regiment, Territorial Army, 1951-55, particularly with Commanding Officer, Lt-Colonel N St L Moore, (3).Correspondence and papers on WSC's activities as Honorary Colonel, 489 (Cinque Ports) Heavy Anti-Aircraft Regiment, Regiment, Royal Artillery, 1952-53;.Correspondence and papers on WSC's activities as Colonel of the Fourth Queen's Own Hussars, 1951-53, including letter from Brigadier John Scott-Cockburn on the regiment's return from Malaya, Nov 1951, correspondence with Commanding Officer, Lt-Colonel Richard Smith, 1952, correspondence with Eric North (4) and O L Wijk (5) on the 4th Hussars Regimental Association, and Regimental Dinners, 1952-54, letter from Lt-General Sir Francis Tuker, Colonel, 2nd Goorkhas, on exchange of gifts following the regiments association in Malaya [later Malaysia], 1953, correspondence with General Sir John Harding, and Lt-Colonel S T Eve on unveiling of 4th Hussars War Memorial at Tidworth, 1953; telegram of congratulations to Cadet Brian Kenny, [later General Sir Brian] on award of Sword of Honour at RMA Sandhurst, 1954; correspondence on celebration of 100th anniversary of the Battle of Balaclava, including letter from Brigadier Dame Helen Gillspie, Director of Army Nursing Services on commemoration of the centenary of the arrival of Florence Nightingale at Scutari, 1954; correspondence with Lt-Colonel G A F "Loopy" Kennard, (2) Commanding Officer of the regiment, 1955, correspondence with Anthony Head, Secretary of State for War, on the possibility of Princess Margarathe of Denmark becoming Colonel-in-Chief of the Regiment, 1956, correspondence with Lt-Colonel Stephen Eve, Commanding Officer of the Regiment, 1954 (3).Correspondence and papers on WSC's activities as Honorary Colonel of 299 (Royal Bucks Yeomanry and Queen's Own Oxfordshire Hussars) Field Regiment, Royal Artillery, Territorial Army, 1952-54, including report on Annual Camp, 1952 by Lt-Colonel H A G Vanderfelt, and correspondence on the possibility of appointing a Royal Colonel-in-Chief to succeed Queen Mary, 1954;.Correspondence on WSC's links with the Royal Scots Fusiliers, particularly with Major-General Sir Edward Hakewill Smith, Colonel of the Regiment, on obtaining a copy of WSC's painting "Lawrence Farm", 1955-56 (3).Correspondence and papers on WSC's activities as Honorary Colonel, 4th/5th (Cinque Ports) Battalion, Royal Sussex Regiment, Territorial Army, including letters from the Duke of Norfolk (2) and Lt-General Sir Lashmer Whistler (6) on portrait of WSC for the Mess, and correspondence with Brigadier T F V Foster, (2) on the Cap Badge of the Battalion 1953-55.