translation.en: who were now throwing on Kevlars and grabbing their flak vests and figuring out how exactly do I change around or how exactly do I clean a machine gun in the darkness.
translation.zh: 他们正穿上凯芙拉 和防弹衣行军， 在黑暗中探路： 我究竟如何换步， 如何擦枪。