John O'Halloran was a country boy from Tamworth, NSW, who was called up for national service not long after the start of the Vietnam War. As a tough and determined 21-year-old, he guided 6 RAR's B Company 5 Platoon through some of the biggest conflicts of the war, including Operation Hobart and the Battle of Long Tan. But he faced his hardest military challenge at Operation Bribie, leading a fixed bayonet charge against a deadly Viet Cong jungle stronghold...