Crest, DUI, 503rd Parachute Infantry Regiment, "The Rock", PB

Genuine WWII US Army distinctive unit insignia, 503rd Parachute Infantry Regiment.

Activated in 1941, the 503rd PIR was deployed to the South-West Pacific and made its first combat jump on September 5, 1943 in New Guinea, where the unit kept fighting before being transferred to the Philippines in December 1944. In the meantime, the regiment had become a Regimental Combat Team, following the assignment of the 462nd Parachute Artillery Battalion in March and the 161st Parachute Engineer Company in September.