Close air support (CAS) has been a hallmark of United States (US) military ground operations since World War II. Since that time, American service personnel have depended on the ability to coordinate with aviators in situations where they are facing overwhelming enemy forces, indirect fire (such as mortars or artillery), or even well-positioned sniper teams. In such situations, US Marines and Army personnel can coordinate with airborne assets, identify the precise or general location of an enemy threat, and call in overwhelming effects upon it. This not only serves the practical purpose of neutralizing the threat, but effective CAS also…