The scene is Afghanistan but the location is Stanford Training Area (Stanta) in Thetford, where the British Forces’ Operational Training Advisory Group (Optag) leaves nothing to chance in preparing soldiers for war with the Taliban.
Must admit can't accept the claim that "... a £14 million investment by the MoD, the 30,000-acre space has become an ultra-realistic “mini-Helmand”.

Would have spent the £14 million on the rehabilitation of war maimed soldiers and done even more ultra-realistic training in Afghanistan itself.

That also means that a whole bunch more money could also be saved from what is blown on the safaris to Kenya (in the name of Afghanistan preparation).