Complex sentence: Welsh came from Luzerne County, Pennsylvania and enlisted in the paratroops in 1942, and was assigned to Fort Benning with the 504th Parachute Infantry Regiment in the 82nd Airborne Division.
Split into simpler sentences: Welsh came from Luzerne County, Pennsylvania and enlisted in the paratroopers in 1942. He was assigned to Fort Benning with the 504th Parachute Infantry Regiment as part of the 82nd Airborne Division.