July 14, 1941: A tank assembly line is a flurry of activity during the “great speed up” of mass production in preparation for the invasion of Europe.
“The battlefront disappeared, and with it the illusion that there had ever been a battlefront. For this was no war of occupation, but a war of quick penetration and obliteration. — Blitzkrieg, Lightning War.”
-TIME MAGAZINE, SEPT. 25, 1939