Complex sentence: Shocked by Siggi's death, the boys take up their positions to defend the bridge against a trio of American tanks and their infantry support, but one by one the boys die, shaking their comrades with the true horrors of war.
Split into simpler sentences: Shocked by Siggi's death, the boys take up their positions to defend the bridge against a trio of American tanks and their infantry support. One by one the boys die, shaking their comrades with the true horrors of war.