Crossword clue: a ditch in a desert (4, 5). I made that up. Real crossword clue in The Times yesterday: this won’t turn in the lock (5, 4) answer; canal boat.
Wing Commander Gibson ,VC, DSO and bar, DFC and bar was the bravest of the brave. He died flying a Mosquito on a raid to Bremen in September 1944 aged twenty-six.