Airman 1st Class Christopher Wimbley, 2nd Security Forces installation entry controller, stands guard at an entry control point during Global Thunder 21 at Barksdale Air Force Base, La., Oct. 22, 2020. U.S. Strategic Command forces are on watch 24 hours a day, seven days a week, conducting operations to deter and detect strategic attack against the United States and our allies. (U.S. Air Force photo by Airman 1st Class Jacob B. Wrightsman)
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