Global Thunder 18
Airman 1st Class Robert Conley, 5th Aircraft Maintenance Squadron crew chief, uses land mobile radio at Minot Air Force Base, N.D., Oct. 31, 2017, during Global Thunder 18. Global Thunder is an annual command and control exercise designed to train U.S. Strategic Command forces and assess joint operational readiness. (U.S. Air Force photo by Senior Airman J.T. Armstrong)

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Photo by: Senior Airman J.T. Armstrong |  VIRIN: 171031-F-CG053-0081.JPG