South Vietnamese trooper crouched in a fighting position as an incoming round explodes behind him at Hai Van, south of Hue, November 20, 1972.

South Vietnamese Trooper Under Fire, Hai Van, 1972

An unidentified South Vietnamese photographer captured an incoming round exploding behind a South Vietnamese trooper at Hai Van, south of Hue, on November 20, 1972. The photograph was distributed by the Associated Press.