Final answer:
The CO is responsible for their military unit's overall command, the XO manages daily operations and supports the CO, and the CMC offers enlisted perspective and mentorship within the unit.
Step-by-step explanation:
The duties and responsibilities of the Commanding Officer (CO), Executive Officer (XO), and Command Master Chief (CMC) are pivotal in the functioning of any military unit. The CO holds the ultimate authority and is responsible for the safety, well-being, and efficiency of their unit. They make critical decisions, oversee operations, and ensure the unit's objectives are met. The XO assists the CO by managing day-to-day operations, acting as a second-in-command, and stepping in the CO's role when necessary. The CMC is the senior enlisted advisor to the CO, providing insights on enlisted ranks' concerns and mentoring lower-ranking sailors.
The chief executive, whether a president, premier, or prime minister, is the head of the government or state and may possess either ceremonial or executive powers. Their cabinet supports them in duties reflecting different government departments, like defense or treasury. In essence, these military roles are similar to that within the broader executive branch, where individuals are responsible for specific departmental operations, advising the chief executive, and ensuring the efficient execution of governmental functions.