Air Education and Training Command’s Spark Tank 2021 submission window is now open and Airmen with innovative ideas that can help the U.S. Air Force sustain a competitive advantage are welcome to submit. From July 16 until midnight October 16, 2020, all AETC Airmen are encouraged to submit ideas they believe may make significant impacts on Air Force missions within six to 24 months. (U.S. Air Force courtesy graphic)