Gen. Charles Q. Brown smiles at a White House swearing-in ceremony for the post of chief of staff of the Air Force.

General Charles Q. Brown, smiles at a swearing in ceremony as he becomes the incoming Chief of Staff of the Air Force at the White House in Washington, D.C., U.S., on Tuesday, Aug. 4, 2020. Brown, a decorated pilot, was the the commander of Pacific Air Forces previously. Photographer: Doug Mills/Bloomberg via Getty Images