What was the code name for Germany's plan to invade the USSR?

The code name for Germany's plan to invade the USSR was Operation Barbarossa. Launched on June 22, 1941, it marked the largest military operation in history in terms of manpower and casualties. The operation aimed to quickly defeat the Soviet Union and secure its vast resources for the Nazi war effort. However, it ultimately led to a protracted conflict that contributed significantly to Germany's defeat in World War II.