The Commander, U.S. Marine Corps Forces Command (COMMARFORCOM), headquartered at the Naval Support Activity Hampton Roads in Norfolk, Virginia, commands service retained-operating forces; executes force sourcing and synchronization to affect force generation actions in the provisioning of joint capable Marine Corps forces, and directs deployment planning and execution of service retained-operating forces in support of Combatant Commander (CCDR) and service requirements; serves as Commanding General, Fleet Marine Force, Atlantic and commands embarked Marine Corps forces; coordinates Marine Corps-Navy integration of operational initiatives and advises CDR U.S. Fleet Forces Command (USFF) on support to Marine Corps forces assigned to naval ships, bases, and installations; conducts Service directed operational tasks as required. COMMARFORCOM is also the Commander, Marine Corps Forces Northern Command (MARFORNORTH), the Marine service component command of U.S. Northern Command.

Naval Support Activity Hampton Roads is a United States Navy Echelon 4 regional support commander that is responsible to Navy Region Mid-Atlantic for the operation and maintenance of the installation of the same name that it is headquartered on. Adjacent to, but separate from Naval Station Norfolk, NSA Hampton Roads has the largest concentration of fleet headquarters administrative and communication facilities outside of Washington, D.C., including the headquarters for United States Fleet Forces Command, Naval Reserve Forces Command and United States Marine Corps Forces Command, along with components of the Joint Chiefs of Staff, and the home campus for the Joint Forces Staff College. NSA Hampton Roads is also home to NATO’s Joint Force Command Norfolk and NATO's Allied Command Transformation.