/begin my translation N. Korea Conducting Large-scale Air Exercise Number of flight trainings picked up ... S. Korea/U.S. military alerted (Seoul, Yonhap News) Kim Kwi-geun: It is revealed that N. Korea recently staged a large air exercise involving warplanes such as MIG-21's in the area over Yellow Sea and near Sino-N. Korean border. A government source is quoted as saying on Sept. 23, "We have learned that N. Korea conducted a large-scale air exercise recently over Yellow Sea. We can see a trend that their number of training flights is on the rise compared with previous years, despite the fact...