Tech. Sgt. Joshua Roberson, 141st Maintenance Squadron communications/navigation technician, shows Brig. Gen. Gent Welsh, Washington Air National Guard commander, a simulated problem solving trainer at Fairchild Air Force Base, Wash., Jan. 7, 2021. The device, built by Airmen from the 141st MXS Avionics shop, enables Airmen to practice troubleshooting errors they could experience in the field.

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