In the early 1950s the airport was served by the original Frontier Airlines (1950-1986) which flew DC-3's on a route from El Paso to Phoenix that included stops at Las Cruces, Deming, and Lordsburg, NM as well as Clifton, Safford, and Tucson, AZ.
A protected group is a group of people qualified for special protection by a law, policy, or similar authority. In the United States, the term is frequently used in connection with employees and employment.
Understanding management role groups. A management role group is a universal security group (USG) used in the Role Based Access Control (RBAC) permissions model in Microsoft Exchange Server 2013. A management role group simplifies the assignment of management roles to a group of users. All members of a role group are assigned the same set of roles.