In early 1939, Sidney Cotton employed the facilities of AOC for production and interpretation of both vertical and oblique aerial photographs taken of ground installations in Germany and elsewhere in clandestine flight operations.
In 1939 Sidney Cotton and Flying Officer Maurice Longbottom of the RAF suggested that airborne reconnaissance may be a task better suited to fast, small aircraft which would use their speed and high service ceiling to avoid detection and interception.
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Sidney Cotton's aerial photographs were far ahead of their time.
cotton | Sidney Poitier | Sidney Lumet | Sidney Nolan | Fearne Cotton | Sidney Bechet | Philip Sidney | cotton mill | Cotton Mather | Cotton Bowl Classic | Sidney Crosby | James Cotton | Albert Sidney Johnston | Cotton-Eyed Joe | Cotton | Sidney Herbert, 1st Baron Herbert of Lea | Sidney | Sylvia Sidney | Stapleton Cotton, 1st Viscount Combermere | Sidney Reilly | Sidney Altman | Sidney Paget | Sidney Howard | Sidney Colvin | Robert Cotton | Jerry Cotton | Henry Sidney | Sidney Smith | Sidney Lee | Sidney Godolphin, 1st Earl of Godolphin |
Sidney Cotton’s work found only grudging approval with the Royal Air Force, but eventually his work was incorporated into 1 Photographic Development Unit (PDU) at RAF Heston and then RAF Benson, a unit from which most later British air reconnaissance developed.