Air Force Chief of Staff Gen. David Goldfein discusses global power, lethality and servant leadership, to a crowd of Total Force Airmen at the U.S. Air Force Academy, Feb. 22, 2019. Goldfein spoke during the Academy's National Character and Leadership Symposium, the U.S. Air Force Academy’s flagship event on character and leadership. (U.S. Air Force Academy photo by Trevor Cokley)