Army - 508th Parachute Infantry Regiment - Distinctive Unit Insignia - Master wo Drop Shadow - MugThe 508th Infantry Regiment (508th PIR, 508th AIR, or 508th IR) ("Red Devils" or "Fury from the Sky") is an airborne infantry regiment of the United States Army, first formed in October 1942 during World War II. The 508th is a parent regiment under the U. S. Army Regimental System, and two battalions from the regiment are currently active: the 1st Battalion, 508th Parachute Infantry Regiment (1 508th PIR) is assigned to the 3rd Brigade Combat Team,