He would not score again until late 1917 , when he was assigned to 40 Squadron to train as a flight commander on Royal Aircraft Factory SE. 5s .
Lewis was appointed a flight commander with the temporary rank of captain on 27 August 1917 .
Lewis would not score again until late 1917 , when Lewis was assigned to 40 Squadron to train as a flight commander on Royal Aircraft Factory SE. 5s .
Lewis was appointed a flight commander with the temporary rank of captain on 27 August 1917 .