Last One Home by Ivan Berryman. A pair of P51D Mustangs of the 361st Fighter Group, 8th Air Force, escort a damaged B17G Flying Fortress of the 381st Bomb Group back to its home base of Ridgewell, England, during the Autumn of 1944.
Lt. Col. A P Clark's Spitfire was shot down over France July 26, 1942. He was flying with the RAF before the US was officially in the war. He spent the rest of the war in Stadlag Luft III, the camp of the "Great Escape"