3 rd SS PANZER DIVISION TOTENKOPF ,( not an official abseichen ,probability a post war Artist and Historian's rendition )
Waffen-SS machine gunners wearing camouflage face veils. Incorrectly deemed 'sniper veils' by collectors the Waffen-SS issued these indiscriminate of any specialty for the sole purpose of effective camouflage. The Germans made heavy use of camouflage clothing during WW2. More so than any other Army of the time.
Deep sea Diver. My Father actually did this for a living in Greece, and this type of suit.
During World War II, Russian soldiers were trained to dig their trenches narrow and deep so the weight of a tank or other vehicle passing over would not collapse the dirt in on them burying them alive ...
World War II Guns - historic look at the guns of WW II
30,000 people could fit in the Flak Tower in Berlin Friedrich Tamms, 1943
Sweden is home to more than fifty underground bunker substations built during World War II. Concealing powerful generators, bomb-proof, cooled by underground rivers, these structures still look like they can survive anything "Half-Life"