Assertion: squadron | /r/HasProperty | robert a. birkbeck
Facets:
Source sentences:
text: They include Robert A. Birkbeck, Quintin Brand (later Air Vice Marshal), William Charles Campbell, Percy Jack Clayson, Edwin Cole, Philip Fullard (later Air Commodore), Eustace Grenfell, Louis Fleeming Jenkin, Tom Hazell, Harold Albert Kullberg, Charles Lavers, Francis Magoun, Guy Borthwick Moore, Gordon Olley, Harry Rigby, William Wendell Rogers and William Rooper.