What is the role of the "chief of the boat" (COB) aboard submarines?

The role of the "chief of the boat" (COB) is primarily that of a senior enlisted advisor who is responsible for the welfare and performance of the crew aboard submarines. The COB typically holds a significant leadership position, often ranking as the highest enlisted member on the submarine. This role involves a variety of responsibilities, including mentoring junior sailors, addressing crew morale, overseeing daily operations, and ensuring that the enlisted personnel are well-informed and effectively trained.

By focusing on crew welfare, the COB plays a critical role in maintaining a positive and professional atmosphere, which is vital in the unique and high-stress environment of a submarine. This position requires strong leadership skills and the ability to communicate effectively with both crew members and officers, bridging the gap between enlisted personnel and command.

The responsibilities of the COB are essential for maintaining operational readiness and ensuring that all crew members perform effectively as a cohesive unit. Through these efforts, the COB directly influences the overall effectiveness and mission success of the submarine and its crew.