Final answer:
The traditional NCO activities that remain at the core of NCO roles and responsibilities include leadership development, training and mentoring junior enlisted personnel, maintaining discipline and enforcing standards, and providing administrative support.
Step-by-step explanation:
The traditional NCO activities which remain at the core of NCO roles and responsibilities include:
- Leadership development
- Training and mentoring junior enlisted personnel
- Maintaining discipline and enforcing standards
- Providing administrative support All of these activities are essential for NCOs to fulfill their responsibilities effectively.