
Analysis of figures released in response to Freedom of Information requests by Drone Wars UK indicate that the UK has spent £1.75bn on armed air missions against ISIS in Iraq and Syria since August 2014. It should be noted that the overall cost of UK military operations in Iraq and Syria will be much higher.
Strikingly, the data shows that at £268 million, the cost alone of the weapons fired over the last 3½ years is more than the total amount the UK has spent on humanitarian assistance in Iraq (£210 million) in the same time period. The full cost of flying the UK’s armed aircraft (Tornado, Typhoon and Reaper) for more than 42,000 hours is almost £1.5 billion. Read more

Details of discussions between the Ministry of Defence (MoD) and the Civil Aviation Authority (CAA) on plans to allow the RAF’s upgraded version of the US Predator drone to be flown within the UK have been released following a Freedom of Information request by Drone Wars UK. 
In December 2017 the RAF announced that British Reaper drones had reached the significant milestone of
A Ministry of Defence press conference has revealed that as the war against ISIS ends, British Reaper drones are to stay deployed in the Middle East after other UK aircraft return home . As The Times