A midshipman is an officer of the lowest rank in the Royal Navy, United States Navy, and many Commonwealth navies. The term "midshipman" has its roots in the Royal Navy, where it was originally a rating for an experienced seaman in the 17th century. Over time, the position evolved to become the rank given to officer candidates. In the modern United States Navy, a midshipman is classified as an officer of the line, though their exercise of authority is limited by their training status.

Here are some additional details about life as a midshipman in the United States Navy, according to the search results:

• Midshipmen are officer candidates who are simultaneously seeking a college degree and a commission in the United States Navy or Marine Corps.
• Midshipmen are introduced to ROTC policies, basic drill, uniform and grooming standards, and physical readiness during orientation.
• Midshipmen have a rigorous schedule that includes academic, athletic, and training activities, leaving them with little extra time for non-academic necessities.
• Midshipmen are responsible for planning and carrying out the day-to-day operation of the Battalion during their junior year.
• Rising second-class Navy midshipmen on scholarship have the opportunity to go on a second-class cruise, which will acclimate them to the daily routine aboard a ship or submarine.
• Each midshipman has a company officer, senior enlisted advisor, and upper-class midshipmen as mentors.
• Midshipmen are required to take naval science classes each semester, which cover material ranging from naval history to weapon systems.

In summary, a midshipman is an officer of the lowest rank in the Royal Navy, United States Navy, and many Commonwealth navies. In the United States Navy, midshipmen are officer candidates who are simultaneously seeking a college degree and a commission in the Navy or Marine Corps. They have a rigorous schedule that includes academic, athletic, and training activities, and are responsible for planning and carrying out the day-to-day operation of the Battalion during their junior year.