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) #YearInPhotos #AirForce #USAF #Airman #Airmen #spacepitchday #SecAF #SecAF25 (Day 83/100)