Where is the battle color of the Marine Corps located?

The battle color of the Marine Corps is located at the Marine Barracks in Washington, D.C., specifically at Eighth and I Streets. This historic location serves as the home of the Commandant of the Marine Corps and is integral to the Marine Corps’ ceremonial functions. The Marine Corps Color Guard conducts the ceremonial presentation of the colors, which are prominently displayed at this site.

While the Marine Corps Base Quantico is significant for training and operations, and the Marine Corps Headquarters is important for administration, the actual physical presence of the battle colors, which symbolize honor, courage, and commitment, is specifically at the Marine Barracks, making this the correct answer. Washington, D.C., encompasses the broader area but does not pinpoint the specific location of the battle color itself. Thus, the choice referencing the Marine Barracks at Eighth and I Street is the most accurate statement regarding where the battle color is housed.