Power of the Blitzkrieg Army - The Combined might of Germany's army and air force, working perfect co-ordination and prepared to meet any defensive obstacle placed in its way, has to date given the Nazis and unbeatable military machine. As seen here, destruction of a bridge in one of the low countries did not hinder the march. In rubber-inflated boats nearly a score of men cross this river despite the destroyed bridge. May 21, 1940. (Photo by ACME).