The Russians have developed the ultimate sophisticated warplane. Called the MIG-31 it can fly at six times the speed of sound cannot be detected by radar and has a weapon system operated by the pilot's thought-waves. It is an unprecedented achievement and American intelligence would like to lay their hands on it. Clint Eastwood brings his legendary star quality to the role of ace pilot Mitchell Gant. Still haunted by Vietnam Gant is smuggled into Russia to commandeer Firefox and