Military leaders and engineers tried hard to create objects so as to win the Great War.
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Aliens in the frontline: German soldiers wearing special audiovisual equipment designed for enhancing sound and light effects of artilleries in order to facilitate locating hostile cannons.
Germans go green. German soldiers generating electricity for running their communication system.
A German spy pigeon wearing a miniature camera is ready for air reconnaissance.
This camouflage clothing developed by the U.S. Army did not have much success at the frontline.
Another superb disguise: a British soldier inside a tree trunk-like camouflage built of canvas and barbed wire near the French city of Souchez in May 1918.
Return of the middle age knights: The armor called Brewster Body could protect its wearer even from the shells of machine guns.