Vintage Air Force model N-3B flight crew heavy winter jacket/parka in excellent, unworn condition. 1960’s vintage (see label picture). Only Vintage Air Force model N-3B flight crew heavy winter jacket/parka in like new unworn condition. 1960’s vintage (see label picture). Only defect found is a pinhole (see picture- pinhole is located just under President Jackson’s image). found is a pinhole (see picture- pinhole is located just under President Jackson’s image).