Marine Corps Installations executes its critical tasks as part of a complex system of local, state, tribal and national governments, numerous federal agencies and its partners in the Navy and the remainder of the Joint Force. These efforts will require multiple partnerships with a wide variety of agencies at different times to deliver the capabilities required to facilitate FMF readiness in the time horizons articulated by the service. Why is governmental external affairs important? What can federal officials do? What can they NOT do? And how do we execute a successful engagement plan?