LightBox | Time
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Like the soldiers he was photographing, Art Greenspon was in his 20s when he traveled to Vietnam to document the war. After five months in-country, Greenspon went on a two-day patrol with soldiers in the A Shau valley, just inside the Laotian border. There, after an ambush and subsequent firefight, Greenspon made a photograph that David Douglas Duncan, the famous TIME-LIFE war photographer, lauded as the “best picture yet of the Vietnam War.”