Vietnam US Air Force 310th Air Commandos Styrons Stallions Group. Includes a Welcome Aboard... 310th Air Commandos Squadron Nha Trang letter. A photo of the commanding officer wearing the pocket patch. There is also a hand embroidered 310th Air Commandos patch and a 310th STYRON'S STALLIONS pocket patch, also Vietnamese hand embroidered. Both unused. Neat group.