Lt. Gen. Joseph Guastella, U.S. Air Forces Central Command commander, answers a question during a 455th Air Expeditionary Wing “all call” at Bagram Airfield, Afghanistan, Dec. 25, 2018. Guastella traveled to Afghanistan with Air Force Chief of Staff Gen. David L. Goldfein and Chief Master Sgt. of the Air Force Kaleth O. Wright, who discussed recent and upcoming changes in the Air Force to empower Airmen to be more resilient and effective. (U.S. Air Force photo by Senior Airman Kaylee Dubois)