Modern historians now understand blitzkrieg as the combination of the traditional German military principles, methods and doctrines of the 19th century with the military technology of the interwar period. In 2005, the historian Karl-Heinz Frieser summarized blitzkrieg as the result of German commanders using the latest technology in the most advantageous way according to traditional military principles and employing 'the right units in the right place at the right time'. The Wehrmacht never officially adopted it as a concept or doctrine. Student described it as ideas that 'naturally emerged from the existing circumstances' as a response to operational challenges. Kielmansegg asserted that what many regarded as blitzkrieg was nothing more than 'ad hoc solutions that simply popped out of the prevailing situation'. Some senior officers, including Kurt Student, Franz Halder and Johann Adolf von Kielmansegg, even disputed the idea that it was a military concept. According to David Reynolds, ' Hitler himself called the term Blitzkrieg 'A completely idiotic word' ( ein ganz blödsinniges Wort)'. ĭespite being common in German and English-language journalism during World War II, the word Blitzkrieg was never used by the Wehrmacht as an official military term, except for propaganda. During the Battle of France, the French made attempts to re-form defensive lines along rivers but were frustrated when German forces arrived first and pressed on. Blitzkrieg operations capitalized on surprise penetrations (e.g., the penetration of the Ardennes forest region), general enemy unreadiness and their inability to match the pace of the German attack. German manoeuvre operations were successful in the campaigns of 1939–1941 and by 1940 the term blitzkrieg was extensively used in Western media.

The term had appeared in 1935, in a German military periodical Deutsche Wehr (German Defence), in connection to quick or lightning warfare. During the Invasion of Poland, Western journalists adopted the term blitzkrieg to describe this form of armoured warfare. ĭuring the interwar period, aircraft and tank technologies matured and were combined with systematic application of the traditional German tactic of Bewegungskrieg ( manoeuvre warfare), deep penetrations and the bypassing of enemy strong points to encircle and destroy enemy forces in a Kesselschlacht (cauldron battle).

Blitzkrieg ( / ˈ b l ɪ t s k r iː ɡ/ BLITS-kreeg, German: ( listen) from Blitz 'lightning' + Krieg 'war') is a military doctrine in which a surprise attack using a rapid, overwhelming force concentration that may consist of armoured and motorised or mechanised infantry formations, together with close air support, has the intent to break through the opponent's lines of defense, then dislocate the defenders, unbalance the enemy by making it difficult to respond to the continuously changing front, and defeat them in a decisive Vernichtungsschlacht: battle of annihilation.

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