Until June 24 the combined air forces of the North Atlantic Treaty Organisation (NATO) are conducting their largest operation against Russia in the 74-year history of the alliance. The plan has been to disguise F-16 fighter jets as if they are piloted by Ukrainians, and pretend they are launched from Ukrainian territory. In response, Russian artillery, missile and fighter-bomber forces have been disabling and destroying Ukrainian airfields, and every Ukrainian aircraft being flown from them. Then on Friday, President Vladimir Putin dismissed the NATO pretence, warning that if an F-16 threatens to attack a Russian target, it would be “burned”,...