Department of the Air Force completes first officer promotion board using new categories, selects 1,214 for promotion to O-5
The 2020 Line of the Air Force (LAF) lieutenant colonel board, which convened May 4-20, is also the first board to transition away from below-the-promotion-zone promotion opportunity while assigning line numbers based on order of merit versus time in grade.
https://www.af.mil/News/Article-Display/Article/2372030/department-of-the-air-force-completes-first-officer-promotion-board-using-new-c/ Capt. Carrie Volpe