Did the Australian Army use helmets during the Vietnam War? Most photos appear to show them wearing just boonie hats. Why is this? - Quora
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Original U.S. Vietnam War ARVN Camouflage In Country Made Boonie Cap – International Military Antiques
5.11 Tactical - “The boonie hat was introduced to the United States Armed Forces during the Vietnam War, when U.S. Army Green Berets began wearing them in the field, along with Australian
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