A U.S. Air Force B-1B Lancer, assigned to the 37th Expeditionary Bomb Squadron, deployed from Ellsworth Air Force Base, South Dakota, receives fuel from a U.S. Air Force KC-135 Stratotanker Sep. 23, 2017. This mission was flown as part of the continuing demonstration of the ironclad U.S. commitment to the defense of its homeland and in support of its allies and partners. (U.S. Air Force photo/Tech. Sgt. Richard Ebensberger)