On board an RAF spy mission over IS-occupied territory

It is now a year since MPs gave the RAF the green light to begin their bombing sorties over Iraq against the extremist group know as Islamic State.

Eight Tornado jets, based out of RAF Akrotiri in Cyprus, along with 10 Reaper unmanned drones, flying from an undisclosed Middle East airbase, have now carried out more than 1,300 combat sorties, including more than 300 air strikes.

It costs a lot to take out an IS fighter using so called precision weapons.

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