 The 15th Brigade took over the forward positions from the 7th Brigade on 17 April . Initial <unk> had the 24th Infantry Battalion on the <unk> Road around <unk> Creek , with the <unk> / 59th around <unk> , north @-@ east of <unk> 's Knoll , and the 57th / 60th , when it arrived to relieve the 9th , would be positioned further east <unk> a secondary , parallel track known to the Australians as the Commando Road . Two days later , <unk> received the order to commence the advance towards the <unk> from <unk> , who offered him the support of the 29th Brigade as a mobile reserve in case of sudden counter @-@ attack . In a change to the tactics that the Australians had previously employed prior to the fighting around <unk> 's Knoll , from early May they advanced on a two @-@ battalion front , instead of one . The 24th Infantry Battalion was in the van , moving along the <unk> Road with the <unk> / 59th protecting its flank and rear ; while 5 @,@ 000 yd ( 4 @,@ 600 m ) further inland the 57th / 60th Infantry Battalion , commencing on 3 May , advanced along the Commando Road from <unk> , after taking over from the 9th Infantry Battalion . 
