What was the nickname for the other steel helmet used with the Mk III in WWII?
Mk III helmet The Mk III Helmet was a steel military combat helmet first developed for the British Army in 1941 by the Medical Research Council. First worn in combat by British and Canadian troops on D-Day, the Mk III and Mk IV were used alongside the Brodie helmet for the remainder of the Second World War. It is sometimes referred to as the "turtle" helmet by collectors, because of its vague resemblance to a turtle shell, as well as the 1944 pattern helmet.
Tellermine 35 The Tellermine 35 (T.Mi.35) was a German metal-cased anti-tank mine used extensively during the Second World War. The mine's case is made of sheet steel, and has a slightly convex pressure plate on the top surface with a central fuze well. Two secondary fuze wells are located on the side and bottom of the mine for anti-handling devices.