Where is the headquarters for MCJROTC located?

The headquarters for MCJROTC is located in Quantico, Virginia. This location is significant because Quantico is home to the United States Marine Corps' Officer Candidates School and various other training facilities. The presence of these important institutions reinforces the connection the MCJROTC program has with Marine Corps values and training.

The other locations mentioned may be associated with various military operations or functions but do not serve as the operational headquarters for the MCJROTC program. San Diego, California, is known for its Marine Corps installations and training facilities, while the Pentagon is the headquarters of the Department of Defense, and Norfolk, Virginia, is recognized for its naval operations. However, none of these sites serve as the central hub for the MCJROTC program, which is specifically coordinated through Quantico.