Dan meets Field Marshall the Lord Bramall, who served from the Second World War until the 1980s.
Dan Snow visits the National World War One Museum in Kansas and discovers more about the Meuse Argonne Offensive in 1918.
Project Recover is a public-private partnership to enlist 21st century science and technology combined with in-depth archival and historical research in a quest to transform the approaches to underwater search to locate aircraft associated with American servicemen still unaccounted for during war...
Dan explores the Moscow Metro in search of history.