Proper posture starts with a good understanding of the muscles that are involved in posture. Several different muscles are responsible for maintaining upright posture, and over time, poor posture can cause these muscles to lose strength.
Air Force. A major in the Air Force typically has duties as a senior staff officer at the squadron and wing level. In flying squadrons majors are generally flight commanders or assistant directors of operations. In the mission support and maintenance groups majors may occasionally be squadron commanders.
Service Missions: Air Force and Air Force Reserve: The primary mission of the USAF is to protect and defend the nationâs interests in air, space, and cyberspace. The Air Force utilizes long and short range aircraft to transport troops and equipment and conduct air warfare.