USS CHANCELLORSVILLE CG-62 ECTT (ENGINEERING CONTROL TRAINING TEAM) GREEN HAT PATCH on green twill.ORIGINAL VINTAGE US NAVY hat patch. New old stock embroidered patch. In excellent unused condition. This ORIGINAL hat patch attached to the ball caps that the crew/personnel wore on/in the ship or command.There is a low melt heat seal material on the back for easy ironing on to any a garment.The size is 5 3/4" w x 3" h this is approx. size larger or smaller. Great... for ship reunions, shadow boxes, veterans and collectors.