Ukrainians said they used a B1 Centauro, an Italian tank destroyer, to strike a house with Russian soldiers some seven miles away. INTS KALNINS/REUTERS A Ukrainian gunner said he used a tank gun to hit a house with Russian soldiers nearly 7 miles away. He's a gunner for a B1 Centauro, an Italian wheeled tank destroyer produced in the 1990s. Ukrainian tank and armored vehicle crews often use their guns for indirect fire like artillery. A Ukrainian vehicle crew said it used an Italian B1 Centaur