Patreon: https://www.patreon.com/join/mhv The armored spearhead analogy is twofold. *Sources and Further Information* Frieser, Karl-Heinz: The Blitzkrieg Legend Frieser, Karl-Heinz: Die deutschen Blitzkriege; in: Wehrmacht: Mythos & Realität. (p. 184) https://en.wikipedia.org/wiki/Karl-Heinz_Frieser