ELLSWORTH AIR FORCE BASE, S.D. - B-1B Lancer aircrew helmets await inspection, Oct. 27. Airmen of the 28th Bomb Wing are preparing for a joint-service exercise that focuses on close air support operations and will test the skills of B-1 aircrews and maintainers. The exercise is called “Green Flag East,” and will be hosted at Barksdale Air Force Base, Ala., Nov. 5 through 14. (U.S. Air Force photo/Staff Sgt. Marc I. Lane)