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The famous pilot was treated with elaborate courtesy by his German captors: in an act of bizarre gallantry, they informed the British that Bader’s artificial right leg was no longer fit for purpose and invited the RAF to send a replacement. Sure enough, with Reichsmarschall Hermann Goering’s official approval, the unimaginatively named “Operation Leg” was launched on August 19, when an RAF bomber was given safe conduct over Saint-Omer and dropped a new prosthesis by parachute on the nearest Luftwaffe base in occupied France, along with stump socks, powder, tobacco, and chocolate.
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Ben Macintyre (Prisoners of the Castle: An Epic Story of Survival and Escape from Colditz, the Nazis' Fortress Prison)