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.
An asset-protection trust is a term which covers a wide spectrum of legal structures. Any form of trust which provides for funds to be held on a discretionary basis falls within the category. Such trusts are set up in an attempt to avoid or mitigate the effects of taxation, divorce and bankruptcy on the beneficiary.