The 28th Division, also known as the "Keystone Division," is a unit of the Pennsylvania Army National Guard. It was established in 1879 and has a rich history of service in various conflicts, including both World Wars and the War on Terror. The division's insignia features a keystone, symbolizing its connection to Pennsylvania. Throughout its history, the 28th Division has been recognized for its bravery and effectiveness in combat. It played significant roles in major battles, such as the Battle of Gettysburg during the Civil War and operations in Iraq and Afghanistan. The division continues to serve as a vital part of the National Guard today.