Two riflemen of a Guards Battalion of the Prussian Army pose for a photographic memento with their Mauser 98 rifles and full kit. The 98 is still in use for ceremonial duty with some units of the present-day German army.
Soldiers Exhibiting Body Armor After Firing Test -At Fort de la Peigney, Langres, France during World War I, three men of the Army Ordnance Department exhibit heavyweight body armor showing effects of pistol, rifle and machine gun fire.
Regarding the last one, that is not the first Kermit the Frog! The very first Kermit was made from an overcoat owned by Henson. The first Kermit is very faded, almost to grey, with toeless feet. K was given flat frog feet later.
WWI facial prosthesis - because of trench warfare, so many wounds were to the head and face. Before plastic surgery was common, doctors and artists worked together to give returning young soldiers a way to fit back into society.
A soldier equips an elephant-mounted machine gun during WWI. I chose this pin because i thought it was interesting. In WWI i have heard of horses and dogs being used but not elephants. Especially elephants mounted with machine guns.