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.
The controlled group definition is found in section 414(b) & (c). Section 414(b) covers controlled group consisting of corporations and defines a controlled group as a combination of two or more corporations that are under common control within the meaning of section 1563(a). All employees of companies in the controlled group must be considered to