MINOT AIR FORCE BASE, N.D. --   Members of the 91st Missile Wing Missile Security Forces Squadron partnered with personnel from the 219th SFS and 791st MSFS for an exercise near Donnybrook, N.D., June 29, 2015. During the exercise, the Airmen worked together to apprehend personnel dressed as simulated aggressors as evaluators looked on and set off smoke grenades and small explosions in a cordoned field. (U.S. Air Force photos/Senior Airman Stephanie Morris and Airman 1st Class Sahara L. Fales)