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.
Windows Firewall with Advanced Security enables you to restrict access to computers and users that are members of domain groups authorized to access that computer. These groups are called network access groups (NAGs). When a computer authenticates to a server, the server checks the group membership of the computer account and the user account, and grants access only if membership in the NAG is confirmed.