You wrote:
“The more of these blood lusting members of the ROP that go off to Afghanistan, the fewer in the UK. They will inevitably be killed, thus ridding GB of its worst internal enemy.”
That’s exactly what I was thinking.
In that case, 4,000 is just a good start.
Just whip the whole bunch up into some psychotic muslim rage and gather them in one place. If you find an intact passport, you won't find what remaining body parts belong to it.
The Special Forces should be letting the Russian Spetznaz run the fire control system. Russians don't take prisoners and have an old grudge to settle.