What does the acronym 3-M stand for?

The acronym 3-M stands for Maintenance and Material Management. This term is fundamental as it represents the integrated approach used by the U.S. Navy to ensure that all maintenance and material management functions are executed effectively. This system encompasses a wide range of practices that optimize the readiness and reliability of naval vessels.

The choice that aligns with this definition emphasizes the focus on both maintenance—which includes preventive, corrective, and scheduled activities—and material management, which deals with the acquisition, control, and logistics support of equipment and supplies. This holistic view is intended to enhance operational efficiency and ensure that naval forces maintain peak operational capability.

Understanding the correct acronym is crucial for comprehending the guidelines and instructions outlined in OPNAVINST 4790.1J, which governs the policies and procedures related to ship maintenance and material management within the Navy.