New Air Force Chief of Staff Details “Change or Lose” Strategy The new U.S. Air Force Chief of Staff is now outlining an ambitious new “Change or Lose” strategy Kris Osborn · September 2, 2020 Please leave this field emptyStay Updated with Warrior Maven Subscribe for daily military news and updates delivered straight to your inbox. We don’t spam! Read our privacy policy for more info. Check your inbox or spam folder to confirm your subscription.