Assertion: squadron's member | /r/HasProperty | nineteen aces
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text: During World War I, the squadron claimed 287 victories, and had as members nineteen aces, including Frank Granger Quigley, John Todd, Frank Hobson, Oscar Heron, Frank Gorringe, Walter M. Carlaw, George Robert Howsam, Clive Franklyn Collett, Alfred Michael Koch, Kenneth Bowman Watson, Noel Webb, Edward Gribben, and Frederic Laurence.