Both passages develop the theme that
acting out of a sense of duty can come at a great personal cost.
In "A Horseman in the Sky," Private Carter Druse is compelled by his duty as a soldier to fire at an enemy, ultimately leading to the tragedy of killing his own father. In "The Veteran," Old Fleming risks his life to save the colts, demonstrating a strong sense of duty despite the danger, ultimately leading to his demise. Both characters face significant personal sacrifice as a result of their commitments.