 The Australians were subsequently forced to clean up large quantities of rubbish left by the Canadians as well as repairing and camouflaging the defences which had recently been attacked by the PVA.1 RAR implemented an aggressive patrol program in an effort to regain control of no-man's land from the PVA, which had been allowed to establish hides close to the perimeter.Several PVA outposts were subsequently destroyed during raids of up to company-size.