The siege of Bastogne was an engagement in December 1944 between American and German forces at the Belgian town of Bastogne, as part of the larger Battle of the Bulge. The goal of the German offensive was the harbor at Antwerp. In order to reach it before the Allies could regroup and bring their superior air power to bear, German mechanized forces had to seize the roadways through eastern Belgium. Because all seven main roads in the densely wooded Ardennes highlands converged on Bastogne, just a few miles away from the border with neighboring Luxembourg, control of its crossroads was vital to the German attack.

The 501st Infantry Regiment, previously the 501st Parachute Infantry Regiment and 501st Airborne Infantry Regiment, is an airborne forces regiment of the United States Army with a long history, having served in World War II and the Vietnam War, both as part of the 101st Airborne Division, as well as the War in Afghanistan. It is the first airborne unit by designation in the United States Armed Forces. Its 1st Battalion is assigned to the 2nd Infantry Brigade Combat Team (Airborne), 11th Airborne Division, located at Fort Richardson, Alaska. Its 2nd Battalion is assigned to the 1st Brigade Combat Team, 82nd Airborne Division, located at Fort Liberty, North Carolina.