Dr. Will Roper, assistant secretary of the Air Force for acquisitions, technology and logistics, left, and Secretary of the Air Force Barbara Barrett, right, meet with small business partners during the U.S. Air Force Space Pitch Day Event, Nov. 5, 2019, in San Francisco. Air Force Space Pitch Day is a two-day event hosted by the U.S. Air Force to demonstrate the service's willingness and ability to work with non-traditional startups. (U.S. Air Force photo by Senior Airman Christian Conrad)