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
101st SS Heavy Panzer Battalion 101st SS Heavy Panzer Battalion 101st Heavy SS Panzer Battalion () was a German heavy tank battalion in the Waffen-SS during World War II. With the introduction of new Tiger II tanks in late 1944, the unit was renumbered as the 501st Heavy SS Panzer Battalion. The battalion was created on July 19, 1943, as a part of the I SS Panzer Corps, by forming two new heavy tank companies consisting of Tiger I tanks and incorporating the 13th (Heavy) Company of the 1st SS Panzer Regiment. It was attached to 1st SS Panzer Division "Leibstandarte" and sent to Italy