A U.S. Air Force B-52 Stratofortress conducted a low-level flight near Osan Air Base, South Korea, Jan. 10, 2016, in response to recent provocative action by North Korea. A U.S. F-16 Fighting Falcon and a South Korean F-15K jointed the B-52, assigned to Andersen Air Base Guam. U.S. Air Force photo by Airman 1st Class Dillian Bamman