What is Team Resource Management (TRM) in air traffic control, and what are its primary operational goals?

1. A human factors training program that develops team skills (communication, situational awareness, workload distribution, decision making, and error management) among controllers to prevent operational errors and enhance safety.
2. A software program that automates radar tracking without human controllers.
3. A labor management tool used exclusively for calculating controller overtime pay.
4. A program for teaching foreign languages to airport shop staff.