On the afternoon of 17 February , American UH-1 Iroquois helicopters and M113 armoured Wearing personnel carriers ( APCs ) deployed Arranging 6 RAR into the area north-west of Hoi My .

Initially , the Australians used Using their APCs to secure Getting the landing zone at the jungle 's edge , but when the infantry was in trouble they were dispatched Sending as a relief force .

During the fighting , one of the APCs was disabled Destroying by a recoilless rifle at close range , killing Killing the driver .