What class is that? Who decides on it? How does it work? For what?

I was the protected 'package' on many occasions over the past year in Mogadishu, where when leaving the Halane Base, Westerners need a protective services detail to protect against simple attacks, complex attacks, IEDs, and kidnapping - was that part of a 'protected class?'

Ah, the secure knowledge of the world's ways learned from one's armchair.