It was hard to tell when they were all in vacuum-rated combat armor, but the marines looked calm. They’d been trained on Luna until maneuvering in light or null gravity and vacuum was second nature. They were put in cramped ships until advancing down claustrophobic metal corridors with blind corners at every intersection didn’t scare them. They were told that marines doing a full breaching action assault could expect as high as 60 percent casualties until that number stopped meaning anything.
