The Spark Tank trophy is back up for grabs at this year’s Air Force Association Virtual Aerospace Warfare Symposium Feb. 26, 2021. At last year’s event, Airmen shared the trophy after Air Force and industry leaders declared a two-way tie. (U.S. Air Force photo by Staff Sgt. James Richardson)

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Photo by: Staff Sgt. James Richardson |  VIRIN: 200228-F-GO452-0255.JPG