United States 1104th Engineers Combat group in Germany during World War II. A bulldozer in operation as it removes earth from the entrance of a German pillbox. It removes mud to uncover the entrance to the pillbox. Men use shovels to remove the dirt from the entrance of the pillbox. A soldier with a welding torch as he cuts and removes the door of the pillbox. An explosion occurs. The pillbox after the explosion. A man climbs up onto the damaged pillbox.