 However , during the first phase of the operation the Australians would be tasked with capturing a Chinese outpost on Hill 199 to allow tanks and medium machine @-@ guns to provide direct fires onto the northern and eastern slopes of Hill 355 in support of an attack by the Borderers from the south @-@ east . Likewise , the Shropshires would assault and capture Hill 208 . Finally then , two days before the start of Operation Commando , the 28th Brigade crossed the Imjin river to assemble behind the 25th Brigade on 1 October . The following day the 3 RAR , less D Company , and the Borderers moved forward carefully into their assembly areas , ready to advance the following morning . C Company advanced to a position 1 @,@ 500 metres ( 1 @,@ 600 yd ) in front of the Canadian positions , north @-@ east of Hill 355 . B Company was 200 metres ( 220 yd ) to the rear . In the afternoon C Company was subjected to heavy shelling , losing one soldier wounded . D Company — under the command of Major Basil <unk> — was detached to 25th Brigade to strengthen its extended front , and it would not be available until the afternoon of 3 October . 
