 The official history of Australia in the war credits Malley with the destruction of a Pfalz over Wytschaete on 10 May , though it does not appear in other accounts of his final tally . Four days later , he and Lieutenant Roy King each claimed a German two @-@ seater spotting for artillery between Ypres and Bailleul . On 30 May , Malley and Cobby led their flights on a bombing mission in the Lys region , after which they each destroyed a German observation balloon over Estaires . Malley 's final victory , over the Lys on 1 June , was a Pfalz D.III. His official tally was six German aircraft destroyed — four fighters , an observation balloon , and an unidentified observation plane — and he was wounded in action twice , by a bullet through the leg in March , and by shrapnel from anti @-@ aircraft fire in May . He was awarded the Military Cross on 22 June . The citation was promulgated in The London Gazette : 
