Complex sentence: This one-of-a-kind company was trained to repair jeeps and trucks under battlefield conditions and consisted of hot-rodders, drag racers, United Auto Workers assembly line workers and NASCAR racers.
Split into simpler sentences: This one-of-a-kind company was trained to repair jeeps and trucks under battlefield conditions. The company was primarily comprised of hot-rodders, drag racers, United Auto Workers assembly line workers and NASCAR racers.