Professional bad guys: Space aggressors prepare Airmen for the enemy
From left, Senior Master Sgt. Thomas Arns, 527 Space Aggressor Squadron, monitors a frequency instrument while coworker, Capt. Brian Goodman, communicates that they are ready to test a fighter squadron's GPS capability July 20, 2016 at Nellis Air Force Base, Nevada during exercise Red Flag. The space aggressors conduct training mission to educate forces on how to identify threats and mitigate their effects. (U.S. Air Force photo/Tech. Sgt. David Salanitri)

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Photo by: Tech. Sgt. David Salanitri |  VIRIN: 160720-F-TM170-119.JPG