Which department focuses on training and quality assurance?

The department that focuses on training and quality assurance is indeed N7. This department is primarily responsible for ensuring that personnel are trained to meet operational readiness standards and that they have the necessary qualifications to perform their duties. N7 plays a crucial role in developing and implementing training programs, which are essential for maintaining the overall effectiveness of units and ensuring that they adhere to quality assurance standards.

In addition to training, N7 is involved in assessing and improving the training processes, making sure that all training efforts align with the strategic goals of the Navy. This focus on continuous improvement in training and quality assurance helps to maintain high performance and readiness levels within the Navy's ranks.

Other departments, such as N6, N9, and N3, have distinct functions that do not primarily center around training and quality assurance. For instance, N6 typically deals with information technology and communications, N9 might focus on future capabilities and analysis, while N3 covers operations and plans. These varying focus areas clarify why N7 is the best answer when discussing training and quality assurance within the Navy.