Chalmers pointed to the UK 's seven month involvement in Libya through 2011 , which cost around $ 390 million , including missiles and flight hours . It can start bombing ISIS within hours , as it has six fighter jets on alert in Cyprus . British forces have Brimstone precision missiles , high - altitude missiles we do n't have . The U.S. is leading the airstrikes against ISIS in Iraq and Syria .
It can start bombing ISIS within hours , as it has six fighter jets on alert in Cyprus . British forces have Brimstone precision missiles , high - altitude missiles we do n't have . The U.S. is leading the airstrikes against ISIS in Iraq and Syria .