Not only is China working hard to build new aircraft ... should be capable of pushing the jet to a maximum speed of Mach 1.8 (1,381 mph), and the fighter's combat range could be up to 746 miles ...
The bombers were intercepted by U.S. F-16 and F-35 fighter jets, along with Canadian CF-18s and other support aircraft, a U.S. defense official confirmed to CBS News.