The Union general known for his aggressive tactics who suffered injuries at Gettysburg was Winfield Hancock.

As the Corps leader, Hancock played a crucial role in the battle, particularly on July 2, when he aided in defending the Union line against Confederate attacks. Celebrated for his brave leadership and capacity to motivate his soldiers, Hancock was wounded during the fighting but continued to lead his men, demonstrating remarkable determination. His leadership was essential in maintaining the Union's defense, solidifying his reputation as a key figure in the battle.