High Quality Content by WIKIPEDIA articles! USS Myrmidon (ARL-16) was one of 39 Achelous-class landing craft repair ships built for the United States Navy during World War II. Named for the Myrmidons (in Greek mythology, warriors of the fierce Thessalian tribe who accompanied King Achilles, their leader, to the Trojan War), she was the only U.S. Naval vessel to bear the name.