With the threat of air-to-air confrontations on the horizon, the U.S., French and British air forces gathered for an inaugural trilateral exercise this week to improve interoperability with their fourth and fifth generation fighters. For the past decade, the allied forces have concentrated on counter-insurgency operations in permissive environments, but have not polished their skills for an anti-access/area-denial fight. In the face of a resurgent Russia and new surface-to-air missile threats in Syria, the United States, France and Britain have...