Mezue ahịrịokwu na-esonụ: The 503rd Heavy Panzer Battalion (; abbreviated: "s.Pz.Abt. 503") bụ German arọ Panzer "Abteilung" (onwe battalion-sized unit) onwem na Tiger m na Panzer III tankị. N'afọ 1944, e ji Tiger II ọhụrụ mee ya. Ndị battalion ahụ rụrụ ọrụ na mpaghara Ọwụwa Anyanwụ na
Ebe Ọdịda Anyanwụ Ụwa n'oge Agha Ụwa nke Abụọ. Dị ka ndị ọzọ German arọ tank battalions, ọ na-ejikarị e kenyere a otu agha, ma shuffled gburugburu dị ka agha ọnọdụ. Mgbe e mesịrị, ndị agha ahụ ghọrọ akụkụ nke Panzer Corps Feldherrnhalle e guzobere ọhụrụ dị ka Feldherrnhalle Heavy Tank Battalion.