US Army parachute oval with wing 504 Parachute Infantry Regiment 2nd Bat

The 504th Infantry Regiment, originally the 504th Parachute Infantry Regiment (504th PIR), is an airborne forces regiment of the United States Army, part of the 82nd Airborne Division, with a long and distinguished history. The regiment was first formed in mid-1942 during World War II as part of the 82nd Airborne Division and saw service in Sicily, Italy, Anzio, the Netherlands, Belgium and Germany