Marine Corps Combat Development Command
MCCDC Insignia
Active	1921–present
Country	United States of America
Allegiance	United States of America
Branch	United States Marine Corps
Type	Major Command
Role	Combat Development & Integration
Part of	Headquarters Marine Corps
Garrison/HQ	Marine Corps Base Quantico Prince William County, Virginia, U.S.
Commanders
DC, CD&I	Lieutenant General Karsten S. Heckl
ADC, CD&I	Brigadier General Phillip N. Frietze
SgtMaj CD&I	Sergeant Major Anthony J. Loftus
Notable commanders	Charles C. Krulak David H. Berger Robert S. Walsh

The Marine Corps Combat Development Command (MCCDC), located at Marine Corps Base Quantico in Prince William County, Virginia, is a major command of the United States Marine Corps (USMC), which has the mission of supporting the development of future operational concepts and the determination of how to best organize, train, educate and equip the Marine Corps of the future.^[1] Since 2005, the commanding general for the Marine Corps Combat Development Command (MCCDC) has been dual hatted as the Deputy Commandant, Combat Development & Integration (DC, CD&I).

History

The predecessor to the MCCDC, Marine Corps Schools Quantico, was established in 1921 by the 13th Commandant of the United States Marine Corps, Major General John A. Lejeune.^[2] Prospects of a Pacific war led to the development of the concepts and techniques of amphibious warfare, which were then applied in the Pacific theater of World War II.^[3] On 1 Jan. 1968, the Marine Corps Schools was re-designated the Marine Corps Development and Education Command (MCDEC).^[4] On 10 Nov. 1987, the Marine Corps Combat Development Command (MCCDC) was created.^[5] In 2005 the commanding general for Marine Corps Combat Development Command was dual hatted as the deputy commandant for combat development and integration (DC, DC&I).^[3]

Subordinate units

• Operational Analysis Directorate
• Marine Corps Embassy Security Group
• Capabilities and Development Directorate
• Marine Corps Warfighting Laboratory