Nov. 29, 2021 UPDATE: Airmen interested in learning aviation fundamentals, becoming a rated officer can apply for Rated Prep Program until Dec. 31 The Air Force extended the deadline for Airmen applying for the Rated Prep Program until Dec. 31.Active duty Air Force officers and enlisted personnel interested in becoming rated officers have until Dec. 31, 2021 to apply for the Spring 2022 Air Force Rated Preparatory Program (RPP), scheduled for