Two U.S. Air Force B-1B Lancer assigned to the 37th Expeditionary Bomb Squadron, deployed from Ellsworth Air Force Base (AFB), S.D., prepare to take off from Andersen AFB, Guam to fly sequenced bilateral missions with two Japan Air Self-Defense Force (JASDF) F-15s and two Republic of Korea air force (ROKAF) F-15Ks in the vicinity of the Sea of Japan, East Sea, Oct. 10, 2017. This mission marks the first time U.S. Pacific Command B-1B Lancers have conducted combined training with JASDF and ROKAF fighters at night, demonstrating our increasing combined capabilities. (U.S. Air Force photo by Staff Sgt. Joshua Smoot)