Original US Army Hot Weather Helicopter Crew Shirt Vietnam OG 106, used but good condition, with original insignia and name tag, all zipper OK., no holes or cracks, size Medium Regular, this original garment from the Vietnam War era, thematically appropriate and documented from the United States, provides an insight into the clothing worn by helicopter crews during the Vietnam War, thus establishing a tangible link to the historical period from 1961 to 1975. Please note that all our items are pure collector items or display items. The items are not tested for real use and have no aeronautical exams or clearances. Use is at your own risk !