A summary history of the USMC's 3rd Marine Division including a video of their time in the Vietnam War. Archival video illustrates the story of the "Fighting Third," the 3rdMarDiv's combat chronicle during the Vietnam conflict. Includes footage from Khe Sanh and Con Thien, as well as their origin story and early history.

The 1st Marine Division is the largest unit on active duty in the United States Marine Corps. Nicknamed "the Old Breed," or the "Blue Diamond," the 1st Marine Division is also the most decorated unit of its size in the USMC. The 1st Marine Division is the ground combat element of the I Marine Expeditionary Force (I MEF) and is stationed at Camp Pendleton in California.