Both vehicles were part of her security detachment, but apparently even they were not judged safe enough.

这两辆车都属于她的安全卫队，但显然，就算他们也不够安全。

youdao

Upon hearing that sound, I knew that my windshield and binocular lenses were clean, my maps updated with the most current intelligence, my radios checked, and my personal security detachment was loaded, with weapons pointed outward.

NPR: Amputee Wounded in Iraq to Return to Active Duty