Col. David Goldfein, 52nd Fighter Wing commander, shakes hands with Eifel community leadership in this April 6, 2006 photo at Club Eifel on Spangdahlem Air Base, Germany. Defense Secretary Ash Carter announced April 26 that the president has nominated Air Force Vice Chief of Staff Gen. David L. Goldfein to be the 21st chief of staff of the Air Force, succeeding Gen. Mark A. Welsh III, who has served in the position since 2012. (U.S. Air Force photo)