MUNSTER, GERMANY - FEBRUARY 07: Two Leopard 2 A6 heavy battle tanks and a Puma infantry fighting vehicle of the Bundeswehr's 9th Panzer Training Brigade participate in a demonstration of capabilities during a visit by Defence Minister Christine Lambrecht to the Bundeswehr Army training grounds on February 07, 2022 in Munster, Germany. Lambrecht confirmed today that Germany will additional Bundeswehr troops to Lithuania, where it leads a NATO contingent. NATO member countries have been sending troops and military hardware to NATO member countries across eastern Europe as a signal that it is taking the current Russian troop buildup on the Russian and Belarusian borders to Ukraine seriously. The buildup has caused international fears of a possible, imminent Russian invasion of Ukraine. (Photo by Sean Gallup/Getty Images)