u/Such_Ideal_1422

He also wrote a Book about his experience during ww2. Von Leningrad bis Breslau: Tagebuch eines Infanteristen von 1942 bis 1945

Short version: He served in the Division Großdeutschland, also as a Guard on the Wolfsschanze. On the 2nd picture (hes the one on the left with Gasmask canister etc) they are presenting Adolf new Uniforms. One day during combat on the Eastern Front he was wounded and did not make it back to the own lines, so his best friend left everything behind and took a big risk to go and look for him. He found Eckhardt and brought him back safe. Sadly he died in action a few days later.