Some of the GCSs are classified secret, and used for conventional warzone surveillance duty.

CNN: Computer virus hits U.S. drone fleet

And for PVP fans, a new warzone called Ancient Hypergate is on the way.

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He described one incident, his first "contact in a warzone" as hard to deal with.

BBC: 3 Mercian: Young men on the front line

"I can't imagine going to a warzone now, in the 21st Century, let alone a woman whose dad was a millionaire, from upper class society, upping sticks and going off, " says Ms Worthington.

BBC: The lady without the lamp