Transient alert trains with South Dakota ANG
Staff Sgt. John Costello, 132d Wing transient alert, signals to an F-16 on the ramp May 24, 2017 at the 114th Fighter Wing, Sioux Falls, South Dakota. Transient alert volunteers recived refresher training to remain mission qualified. (U.S. Air National Guard photo by Senior Master Sgt. Robert P. Shepherd)

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Photo by: Senior Master Sgt. Robert P. Shepherd |  VIRIN: 170525-Z-FE571-183.JPG