The United States Air Force uses Military Operations Areas (MOAs) and Air Traffic Control Assigned Airspace (ATCAA), for testing and training aircrews. Military Operations Areas are designated special use airspace (SUA) areas below 18,000 feet (FL180) designed to separate or segregate certain non- hazardous military activity from non-participating aircraft. ATCAAs are designed for non-hazardous flight activity in the high altitude environment from FL180 and up. Due to the fact that MOAs by regulatory requirements are limited to a ceiling of up to, but not including FL180, an overlying ATCAA associated with the MOA is critical to provide a seamless operating environment for aircraft transitioning from low to high altitude stratums. This is especially true in airspace in which high performance aircraft routinely operate. It is understood that the ATCAAs referenced in this document are not special use airspace, and as such, are not an actual part of the airspace proposal. They are however, an integral part of the overall airspace utilized by the military. The discussion of ATCAAs in this document is necessary to provide an accurate portrayal of the overall project. The two MOA/ATCAAs associated with the Nevada Test and Training Range (NTTR) complex are Desert and Reveille. The Desert and Reveille MOAs are immediately adjacent to each other, but the boundaries are not concurrent on the eastern and western most sides. The overlying Desert and Reveille ATCAAs are also adjacent to each other, overlying the MOAs, with the difference occurring in the altitude configuration. Desert MOA/ATCAA, when combined, has a ceiling of unlimited, not constrained by an upper altitude other than the capability of the aircraft using the airspace. However, Reveille MOA/ATCAA, when combined, has a ceiling of 23,000 feet (FL 230) or 26,000 feet (FL 260), depending on training or test mission.


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