The PzKpfw-III (German: Panzerkampfwagen III), was a German World War II medium tank. Originally known as the ZW in response to inspections by the League of Nations, the Panzerkampfw-III had various derivatives and improvements and was used extensively by the German Army in World War II, with improvements Originally known as the ZW in response to inspections by the League of Nations, the Panzerkampfw-III had various derivatives and improvements and was used extensively by the German Army in World War II, with improvements and derivatives serving until the end of the year. The Panzer III was used in the World War II.The Panzer III was used in the Polish Campaign, the French Campaign, the North African Campaign and the Eastern Front. At the outbreak of the Polish campaign, only 98 very early versions of the Panzer III (mainly the D) were available for use. Polish campaign.The Panzerbefehlswagen 266, 267 & 268 Ausf. K was a command tank developed by Daimler-Benz specifically for military requirements. This command tank had the same 5cm KwK 39 L/60 main gun as the newer III tank, with a swivelling turret, and could also carry a larger number of command radios. The K III command tank was produced by Mercedes-Benz's Factory 40 and was in production from December 1942 until February 1943, with a total of 50 units produced, making it the only type of command tank specifically designed for the German Army.