Secretary of the Air Force Barbara M. Barrett speaks at the commencement of the Air Force Space Pitch Day, Nov. 5, 2019, in San Francisco. The two-day event, hosted by the Air Force, demonstrated the Air Force's willingness and ability to work with non-traditional startups. (U.S. Air Force photo by Van De Ha)

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Photo by: Van Ha |  VIRIN: 121107-F-RH756-8884.JPG