The Fortress Ring - This ring is dedicated to websites featuring information on artillery fortifications constructed or augmented during the half millennium spanning the years 1450 to 1950. Will Always Remember (W.A.R.) - Ring of sites focussing on POW-MIAs in Vietnam. American Military History - A ring to link various American military history sites, regardless of war. Czechoslovaks in the Second World War - Aims to bring together internet resources on the participation of the Czechoslovaks in WWII. The Civil War Circuit - Sites that focus on the American Civil War, with a wide variety of information. Tonkin Gulf Yacht Club - A webring guide to sites depicting naval activities during the Vietnam War. British Military History - A collection of sites focusing on 20th Century British Military History, includes some sites with technical and chronological information. World War II Web Ring - A ring for all sites containing stories, information or links with regard to anything pertaining to World War II.