Navy Corpsman Attached 1st MARDIV FCPOA Shirt Made In America! Designed for the sailors in the United States Navy. Naval tees! This custom US Navy shirt was created at the request of their unit and Navy command. USN shirts highly detailed and crafted exclusively by Vision-Strike-Wear.Com for our men and women in uniform. Military tees for US Navy units, ships, FCPOA, CPOA, VBSS, squadrons and more.