Gunnery Sergeant John F. Welt instructs junior men on the use of a .50 caliber machine-gun during combat in Vietnam. He works as a logistics chief when not flying as a gunner in a Sea Knight helicopter. This photograph, taken on June 19, 1968, captures the intense military activities during the Vietnam War.

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Size: 3276px × 2074px
Photo credit: © piemags/NBV / Alamy / Afripics
License: Licensed
Model Released: No

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