This year, the Air Force implemented a revised process for the 2022 wing, vice and group command screening boards to streamline notification, align more closely with joint partners and enhance senior leader talent management. Approximately 24% of all O-6 positions are command billets and half of the 780 command positions come vacant each year.

https://www.af.mil/News/Article-Display/Article/2744281/air-force-revises-wing-vice-and-group-command-screening-board-process/ DoD News