Air Force Chief of Staff Gen. David L. Goldfein and Brig. Gen. Todd D. Canterbury, 56th Fighter Wing commander, watch an F-35A Lightning II Demonstration Team practice Nov. 8, 2019, at Luke Air Force Base, Ariz. Goldfein visited Luke AFB to engage with key leaders and address 56th Fighter Wing Airmen about the current state and future of the Air Force. (U.S. Air Force photo by Airman 1st Class Leala Marquez)