“The largest airborne operation ever conceived or executed,” in the words of Winston Churchill, “achieved a further all-important forward bound in the north” when on September 17th 1944, the 1st Allied Airborne Army commenced landings at Nijmegen, Eindhoven and Arnhem, to seize important bridges and extend the great corridor the British 2nd Army was driving through Holland. Aircraft towing gliders with reinforcements seen here soaring over a windmill at Valkenswaard, south of Eindhoven