 Of these actions , the last one , at Hamel on 4 July 1918 , is perhaps the most notable . Even though the action was relatively minor in terms of the scale of previous operations mounted on the Western Front , it is notable because it was the first ' set @-@ piece ' operation planned and carried out by the newly appointed commander of the Australian Corps , Lieutenant General John Monash and it has since been used as the model of how to successfully carry out a combined arms attack . Using aircraft , artillery and armour in effective combination with infantry , the attack was over in the space of 93 minutes ; although Monash had planned for a 90 @-@ minute operation . It achieved its objectives of straightening the Allied line and taking the town of Hamel . The Australians had advanced the line almost 2 kilometres ( 1 @.@ 2 mi ) across a front of 6 @.@ 5 kilometres ( 4 @.@ 0 mi ) and in the process taken roughly 1 @,@ 600 German prisoners as well as over 200 machine guns , trench mortars and anti @-@ tank weapons . Against this the Australians suffered 1 @,@ 062 casualties . 
