“The worst thing was that even if you did your own job, if your teammate failed to do theirs, you could be blown away along with them. And yet, if you focused only on strengthening your own defenses, someone else could get killed. All we could do was trust our teammates, and those who failed were mercilessly culled. We'd been thrown into an extreme situation that was just like the front lines. In the end, we barely slept at all.”