Where is the 1st Marine Division located?

The 1st Marine Division is primarily located at Camp Pendleton, California. This division is recognized as the oldest and most distinguished division in the United States Marine Corps, playing a critical role in numerous conflicts and missions. Camp Pendleton serves as both a base and training area, allowing the division to conduct extensive training in various combat and operational scenarios. The diverse terrain available at Camp Pendleton supports the various needs of the division, including amphibious assault training, mechanized operations, and small unit tactics, which are essential for readiness and adaptability in various environments.

The other locations mentioned in the choices are associated with different Marine Corps units or functions, but they are not the home of the 1st Marine Division. Understanding the specific location and its significance can help make sense of the organization and readiness of Marine Corps units.