To say nothing of the work she’d done earlier in the day: more practice-firing sessions of the Royal Engineer's Self Propelled Air Defense carriage. But in spite of how worn out she felt, she got the feeling that the rest of her four-pony-and-one-very-important-pony-who-isn't-actually-a-pony group was feeling it even more. Which was saying something, considering that Sergeant Ebonshield was operating in native terrain among her own kind, and Corporal Bound was an Earth Pony with magical stamina, while the Royal Engineer had so far been indefatigable.