The U.S. Marine Corps Forces Cyberspace Command (abbreviated as MARFORCYBER) is a functional formation of the United States Marine Corps to protect critical infrastructure from cyberattack. Marine Corps Forces Cyberspace Command is the Marine Corps component to U.S. Cyber Command. It comprises a command element, the Marine Corps Cyber Operations Group, and the Marine Corps Cyber Warfare Group, a total of approximately 800 personnel. MARFORCYBER was established on January 21, 2010 under the command of LtGen George J. Flynn,. As of 7 July 2021, MajGen Ryan P. Heritage is in command.