Final answer:
The provided context does not include information about the length of the Air Force skirt. Instead, it discusses past height requirements for US Air Force pilots and the focus on uniformity in appearance during basic training.
Step-by-step explanation:
The question about the length of the Air Force skirt does not appear in the context provided, and instead, there is a discussion about inclusivity in the US Air Force based on height requirements.
The rules for height requirements have been modified to be more inclusive, particularly in relation to women, who were disproportionately excluded due to the minimum height requirement to become an Air Force pilot.
Furthermore, basic training in the Air Force emphasizes uniformity among its members in appearance and movement.