Marine Corps Lt. Gen. Francis Donovan assumes the post as the Trump administration seeks to reassert U.S. military dominance in the Western Hemisphere.
Voting could begin as soon as Tuesday, which would be day four of the partial shutdown. The Pentagon, among other agencies, saw its funding lapse Saturday.
The Air Force's secretary and chief of staff have made improving readiness a top priority and emphasize it is "commanders' business," Lt. Gen. Pleus said.