Rubuta ci gaba don wannan sakin layi - 504th Infantry Regiment, asali 504th Parachute Infantry Regiment (504th PIR), wani rukuni ne na rundunar sojan sama na Sojan Amurka, wani ɓangare na 82nd Airborne Division, tare da dogon tarihi mai daraja. An fara kafa rukunin a tsakiyar 1942 a lokacin Yaƙin Duniya na II a matsayin wani ɓangare na 82nd Airborne Division kuma ya ga sabis a Sicily, Italiya, Anzio, Netherlands
, Belgium da kuma Jamus.