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.
Through these core missions, the Air Force provides Global Vigilance, Global Reach, and Global Power for America. Each. of these core missions is, in its own right, vitally important to the defense of our national interests; however, no single core.