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Colonel John Fuller, the chief of staff of the British Tank Corps, is credited with developing this tactic after his extreme disappointment with the effect of tanks during World War I. His ideas, which were ignored by the British Army, called for long-range mass tank attacks. He envisioned this attack to be supported by air power as well as motorized infantry and artillery support. He wrote two books in the Twenties which detailed his ideas: ''Reformation of War'' and ''Foundation of the Science of War''. In 1926, the German Army began ordering tanks and vehicles which would allow them to implement Colonel Fuller's ideas. <ref>http://www.lycos.com/info/blitzkrieg--german-wehrmacht.html?page=2</ref><ref>http://www.spartacus.schoolnet.co.uk/2WWblitzkreig.htm</ref>
In 1937 [[Heinz Guderian ]] wrote the book ''Achtung - Panzer!'' describing the combined arms tactics used initially by the Germans in WWII and later on by armies throughout the world. The Germans tested an application of these tactics in 1938 during the [[Spanish Civil War]] and as a result [[German High Command]] formulated plans to dismantle Polish defenses in 1939. <ref>http://www.britannica.com/eb/article-9068990/Spanish-Civil-War</ref>
==During World War II==
