Capt. Dillen Stuhlsatz, a weapon systems officer assigned to the 34th Bomb Squadron, enters a B-1 bomber during the Combat Hammer exercise at Ellsworth Air Force Base, S.D., May 10, 2017. With a strong, credible B-1 force, Ellsworth aircrews and maintainers maintain a high state of readiness and proficiency, validating what Airmen bring to the fight – immediate global reach. (U.S. Air Force photo by Airman 1st Class Donald C. Knechtel)