By mid-March 1945, a T26E1 pilot was equipped with the 90mm T15E1 and was sent to Europe in a "Trial by combat". It was given to the 3rd Armor Division where it was enhanced with additional armor plates. It was able to fire its gun in anger on only one occasion on April 4, 1945, where it engaged and destroyed a German armored vehicle, probably a Tiger I or Panther, at a range of during the fighting along the Weser River.