He was awarded the Military Cross on 9 April , and on 8 May was appointed a flight commander with the rank of acting captain .
Clayson gained his first victory on 16 February 1918 .
Clayson was awarded the Military Cross on 9 April , and on 8 May was appointed a flight commander with the rank of acting captain .
Clayson gained his first victory on 16 February 1918 .