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Marine Corps Defense Services Organization


Marine Corps Defense Services Organization

"Marines Defending Marines"

Contacting the DSO

The Office of the Chief Defense Counsel and the Defense Counsel Assistance Program is located in Arlington, Virginia aboard Naval Support Facility - Arlington.  You may reach them by calling (703) 604-0728 or via e-mail at

If you need to reach a branch office, please visit its respective page for the contact information.  We have offices across the globe at most major Marine Corps installation, broken down into four regions:

*For Reserve Legal Support, please contact the MCB Quantico branch office.