Marine Corps Combat Development Command

Marine Corps Combat Development Command, located at Marine Corps Base Quantico in Prince William County, Virginia, has the mission of developing Marine Corps warfighting abilities to enable the Corps to field combat-ready forces. Its responsibilities include doctrine, organization, training and education, requirements development, and leadership.

Subordinate units

 * Operational Analysis Division
 * Training and Education Command
 * Marine Corps Embassy Security Group
 * Capabilities and Development Directorate
 * Marine Corps Warfighting Laboratory