MC
1ST RTBN
U.S. Marine Corps
The 1st Recruit Training Battalion (1st RTBN) is a key unit within the United States Marine Corps Recruit Depot at Parris Island, South Carolina. Established in the early 20th century, the battalion has been responsible for transforming thousands of civilian recruits into Marines through rigorous basic training. Over the decades, 1st RTBN has played a crucial role in preparing Marines for service in every major conflict since World War I. Renowned for its discipline and tradition, the battalion continues to uphold the high standards and values of the Marine Corps today.