Tank Originally a code name that is still being used in some countries today for a heavily armored fighting vehicle. Already prior to World War I, plans had been drawn up in Europe to develop an all-terrain armored fighting vehicle. Although armored cars had been developed, and the tracked vehicle concept was well, no known, no true armored fighting vehicles had been developed before the war. However, with the onset of positional warfare the question arose of how to achieve an operational breakth…