1. 在2011年9月，一支由捕食者和收割者无人机组成的机队，从沙特阿拉伯沙漠里的一处中情局秘密基地起飞，跃过边境进入也门，开始耐心地跟踪一个正在也沙边境行进的车队。
IN SEPTEMBER 2011 a fleet of Predator and Reaper drones took off from a secret CIA base in the Saudi desert. They crossed into Yemen and began patiently tracking a convoy of vehicles that was travelling near the border with Saudi Arabia.