Complex sentence: On 29 August 1942 the 502nd Heavy Tank Battalion arrived at the Leningrad Front, but was not immediately deployed for combat.Unit carried an emblem of a mammoth, to be distinguished from elephant emblem of 21st panzerabteilung.
Split into simpler sentences: On 29 August 1942 the 502nd Heavy Tank Battalion arrived at the Leningrad Front, but was not immediately deployed for combat. The 502nd carried an emblem of a mammoth, to be distinguished from elephant emblem of 21st panzerabteilung.