Tiger I nickname "Tiger" by Ferdinand Porsche, and the Roman numeral was added after the later Tiger II entered production. The initial designation was "Panzerkampfwagen VI Ausführung H" (‘‘"Panzer VI version H"’’, abbreviated "PzKpfw VI Ausf. H") where 'H' denoted Henschel as the designer/manufacturer. It was classified with ordnance inventory designation "SdKfz 182". The tank was later re-designated as "PzKpfw VI Ausf. E" in March 1943, with ordnance inventory designation "SdKfz 181". Today, only seven Tiger I tanks survive in museums and private collections worldwide. The Tiger 131 at the UK's Tank Museum, which was captured during the North Africa Campaign, is
Tanks in the British Army May 1940, temporarily discomfiting the 7th Panzer Division under Rommel. In the battle, elements of motorized SS regiment ""Totenkopf"" (later to be expanded into SS-Division "Totenkopf")—were overrun, their standard PaK 36/37 anti-tank guns proving ineffective against the heavily armoured British Matilda tank. Rommel committed some of his armour to local counterattacks, only to find the guns of the "Panzer" II and Panzer 38(t) tanks could not penetrate the Matildas' armour. Desperate to prevent a British breakthrough, Rommel ordered the division's FlaK 18 anti-aircraft guns and field guns be formed into a defensive line and fire anti-tank and HE rounds in