The three-bladed screw at the center of this patch is the Machinist's Mate specialty mark, and the sailor who wore it ran the plant that turned the real one. MM is one of the Navy's oldest...
EN Engineering Rating Submarine Engineman Patch (U.S. Navy) 4.5" x 3.25" Embroidered Patch with Iron-On Backing
Superior Materials: Made with premium polyester thread and durable twill fabric,...