Task Group Trident Metal Sign 16 X 12" Air Force Senior Enlisted Aircrew In Vietnam many of the In Vietnam many of the special force units had their own insignia made up as did many of the men in the back alleys of Saigon The United States Fleet Marine Forces (FMF) are combined general and special purpose forces within the United States Department of the Navy that perform offensive amphibious or expeditionary warfare and defensive maritime employment We hand make all of our custom metal shapes in the USA using heavy gauge american steel and a process known as sublimation where the image is baked into a powder coating for a durable and long lasting finish