What rank is assigned to E-4 in the Marine Corps?

The rank assigned to E-4 in the Marine Corps is Corporal. In the structure of enlisted ranks, E-4 signifies a level of leadership and responsibility that is typically associated with the rank of Corporal. This rank reflects that the individual has not only completed the necessary training and time in service but has also demonstrated the ability to lead junior Marines and take on additional responsibilities.

A Corporal in the Marine Corps is often tasked with mentoring lower-ranked Marines, providing guidance and support within their units. This rank is crucial because it acts as a bridge between the junior enlisted ranks and the higher non-commissioned officer ranks. Marine Corps culture places a strong emphasis on leadership development, making the role of Corporal vital for fostering teamwork and discipline among the troops.