Original sentence: The Panther forces were newly formed and poorly trained and fell in ambushes against seasoned U.This culminated in the Battle of Arracourt (September 18-29), in which the Panther tank forces suffered heavy losses at the hands of the 4th Armored Division of Patton's 3rd Army
Edited sentence: The Panther units were newly formed and poorly trained and mostly fell in ambushes against seasoned U.This culminated in the Battle of Arracourt (September 18-29), in which the Panther-equipped German forces suffered heavy losses at the hands of the 4th Armored Division of Patton's 3rd Army