 During the battle , the British Commonwealth logistic system proved robust enough to bear the strain of the fighting without serious disruption , although problems were experienced . Despite difficulties , an adequate flow of ammunition , equipment , food and water was maintained , although there were occasions when the Australians endured thirst and hunger for several hours . 3 RAR used 900 @,@ 000 rounds of small arms , 5 @,@ 000 grenades and 7 @,@ 000 mortar rounds during the five @-@ day battle , all of which was moved in man @-@ <unk> loads by Korean Service Corps porters and Australian soldiers over long distances and extreme terrain , often while under fire . These resupply operations had required considerable effort and bravery to effect , and a number of Korean porters were killed and wounded at Maryang San . 
