A participant learns to throw a grenade during a military exercise for civilians conducted by members of the Georgian National Legion paramilitary volunteer unit amid threat of Russian invasion in Kyiv, Ukraine on February 4, 2022. (Photo by Serhii Nuzhnenko/Reuters)

German field telegraph operators at work in Warsaw. (Photo by Hulton Archive/Getty Images). 1st October 1914

An East German civilian (L) shows an East German customs officer the contents of his Trabant (auto) at checkpoint Potsdamer Platz in East Berlin in this November 24, 1989 file picture, as East Germany enforcing stringent customs controls to avoid smuggling. (Photo by Reuters)

A model poses at Checkpoint Charlie, a historic place in the German capital to promote the fashion magazine “Sous” on June 12, 2012. (Photo by Maurizio Gambarini)

German troops in Stalingrad, USSR. September 10, 1942. (Photo by TASS)

A model attends a fashion show at the “German Fetish Ball” in Berlin, Germany on May 12, 2018. (Photo by Hannibal Hanschke/Reuters)

German police officers take pictures as fireworks explode next to the Quadriga sculpture atop the Brandenburg gate during New Year celebrations in Berlin, Germany, January 1, 2017. (Photo by Fabrizio Bensch/Reuters)

A Mercedes-Benz car is pictured in a production line at the plant of German carmaker Mercedes-Benz in Bremen, Germany January 24, 2017. (Photo by Fabian Bimmer/Reuters)