Senior Airman Timothy Billings, 22nd Airlift Squadron C-5 loadmaster, speaks with representatives from the technology industry during a tour at Travis Air Force Base, Calif., Sept. 27, 2019. The tour was a part of “Spark Collider,” a single-day event in which members of the installation’s Phoenix Spark innovation lab could talk with and possibly collaborate with tech companies about problems facing the Air Force. (U.S. Air Force photo by Senior Airman Christian Conrad)