A U.S. Air Force B-1B Lancer deployed from Andersen Air Base, Guam, performs a low pass at Osan Air Base, Republic of Korea, Sept. 21, 2016. The Lancer had just conducted its closest flight to the North Korean border ever. The B-1 is the backbone of the U.S. long-range bomber mission and is capable of carrying the largest payload of both guided and unguided weapons in the Air Force inventory. (U.S. Air Force photo by Senior Airman Victor J. Caputo)