Heinz Guderian with an Enigma machine in a Sd.Kfz. 251 half-track being used as a mobile command center during the Battle of France.
383px-Bundesarchiv_Bild_101I-769-0229-12A,_Frankreich,_Guderian,_-Enigma-
Heinz Guderian with an Enigma machine in a Sd.Kfz. 251 half-track being used as a mobile command center during the Battle of France.