Military officials say two bombers and a refueling plane involved . They first flew near U.S. and then two were seen within 200 miles of U.S. . The planes never entered U.S. airspace , but did breach a coastal identification zone . NORAD intercepts Russian bombers in the defense zone about 10 times a year , Davis said , though usually not near California . The Russian planes were intercepted by U.S. fighter jets .
Military officials say two bombers and a refueling plane involved . They first flew near U.S. and then two were seen within 200 miles of U.S. . The planes never entered U.S. airspace , but did breach a coastal identification zone . The Russian planes were intercepted by U.S. fighter jets .