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Army Cpl. Alexandra Perez, Iron Training Detachment air assault instructor, instructs Air Force Staff Sgt. James Tienor, 377th Security Forces Group Air Assault trainee, on proper rappelling techniques at Fort Bliss, Texas, March 8, 2019. Nine members of the 377th SFG at Kirtland Air Force Base, N.M., graduated from the Fort Bliss Air Assault Training School March 11, 2019. (U.S. Air Force photo by Staff Sgt. J.D. Strong II)