Which part of the OPNAVINST 4790.1J outlines the responsibilities of various personnel regarding the 3-M System?

The selection of Chapter 6 as the answer is accurate because it specifically details the responsibilities of a range of personnel involved in the 3-M System. Responsibilities for effective management of maintenance, material, and logistics are crucial for ensuring that systems function properly and that personnel maintain operational readiness. Chapter 6 outlines who is responsible at various levels, including the command structure, making it essential for understanding the roles and duties within the 3-M framework. This clarity in assigning responsibilities ensures accountability and proper execution of maintenance procedures, thereby fostering an environment where readiness and efficiency are prioritized.

Other chapters cover different areas of the 3-M System or offer guidelines and principles, but they do not provide the same level of detail on personnel responsibilities as Chapter 6 does. Understanding these nuances is vital for anyone involved in the 3-M System, as it directly impacts the effectiveness of maintenance operations within the Navy.