Today most forms of conflict do not have much risk to western militaries. While the attacks were carried out from high in the sky NATO did not suffer a single loss in combat operations over Kosovo in 1999. [1] Moreover this lack of danger with UAVs is potentially immoral; we no longer have a war in which both sides are at risk rather a shooting range for drones to kill ‘terrorists’. Having at least some danger is needed as a restraint on the use of force. A good litmus test to use for the authorisation of lethal force would be whether the public would find the goals of the action worthwhile even if it did result in the loss of several soldiers.  [1] Gallis, Paul E., ‘Kosovo: Lessons Learned from Operation Allied Force’, CRS Report for Congress, 19 November 1999, p.8