How US Army soldiers in Europe are readying for a possible trench war with Russia

Description: Business Insider got exclusive access to see how the US Army's Germany-based 2nd Cavalry Regiment is training for a possible war with Russia. <br /><br />A group of soldiers known as OPFOR pretends to be the enemy, practicing the same style of trench warfare that has become commonplace in the Russia-Ukraine war. An Army platoon must traverse mountainous terrain before finding the OPFOR's trench and attacking it.