An Air Force B-1B Lancer assigned to the 9th Expeditionary Bomb Squadron prepares for a 10-hour mission from Andersen Air Force Base, Guam, into Japanese airspace and over the Korean Peninsula, July 30, 2017. The B-1s flew with Japan Air Self-Defense Force Mitsubishi F-2 fighter jets in Japanese airspace, then proceeded over the Korean Peninsula and were joined by South Korean F-15 Eagle fighter jets. Air Force photo by Airman 1st Class Gerald Willis