For Americans, it is one of the most compelling images of the Vietnam war: 1966’s Reaching Out, which shows a wounded soldier leaning towards a comrade on a mud-spattered hillside. The picture was taken by British photojournalist Larry Burrows, who covered the war for Life magazine from 1962 until he was killed there in 1971. His images convey the brutality, chaos and human cost of a disastrous campaign. To mark the 40th anniversary of the end of the war, here is a selection of them

