tiger i
A German heavy tank developed in 1942 and used in World War II. The final official German designation was Panzerkampfwagen VI Tiger Ausf.E, often shortened to Tiger.
It was an answer to the unexpectedly formidable Soviet armour encountered in the initial months of the Axis invasion of the Soviet Union, particularly the T-34 and the KV-1. The Tiger I design gave the Wehrmacht its first tank mounting the 88 mm gun, in its initial armored fighting vehicle-dedicated version, which in its Flak version had previously demonstrated its effectiveness against both air and ground targets. During the course of the war, the Tiger I saw combat on all German battlefronts. It was usually deployed in independent tank battalions, which proved to be quite formidable. However, it was over-engineered and prone to mechanical breakdowns and faults, making it unreliable and causing many Tigers to be lost outside of combat. The overlapping wheel system in particular was extremely hard to perform field repairs on.
The tank was given its nickname "Tiger" by Ferdinand Porsche, and the Roman numeral was added after the later Tiger II entered production. The initial official German designation was Panzerkampfwagen VI Ausführung H (‘Panzer VI version H’, abbreviated PzKpfw VI Ausf. H), but the tank was redesignated as PzKpfw VI Ausf. E in March 1943. It also had the ordnance inventory designation SdKfz 181.