 A gallant flight commander , who in the last three months has destroyed two enemy machines and driven down four out of control . Recently , whilst on special patrol , he , single @-@ handed , attacked four enemy aeroplanes ; having driven down one out of control , he engaged the leader , damaged his engine , and compelled him to glide to his lines . One of the remaining machines followed the leader , but he attacked the other and drove it down in a steep dive . 
