After clearing the barnyard, you’ll have to pursue the enemies past the haystack field to the small wooden path. Make sure to keep an eye out for surrendering enemies, especially those behind cover.
After using the AA gun to clear the airspace of German bombers, you’ll have to eliminate the artillery crews inside the trenches. Then, you’ll have to push forward with your tanks. When you reach a dug-out bunker/tunnel, enter through the middle opening to find the ally soldier in trouble.
After sniping the PAK-38 crews on the hill, you’ll have to clear the trenches next. Take out the initial enemies and keep an eye out of the surrendering soldiers along the way.