Who served as the Senior Officer in the Continental Marines?

The role of Senior Officer in the Continental Marines is attributed to Captain Samuel Nicholas. He is recognized as the first commandant of the Continental Marines, appointed by the Continental Congress in 1775. Nicholas played a crucial role in organizing the Marine Corps, establishing its traditions, and leading it into combat during the American Revolutionary War. His leadership helped shape the structure and operational effectiveness of the Marines at a pivotal time in American history.

Understanding the contributions of this key figure is vital for recognizing the foundations of the Marine Corps and its development over the years. The other individuals listed, while associated with various military roles, did not hold the title or authority that Captain Nicholas possessed in the early days of the Continental Marines. This context underscores why Nicholas is the correct choice when identifying the Senior Officer in the Continental Marines.