MCO 3100.4A governs Marine Corps cyberspace operations, including offensive, defensive, and DOWIN operations.
View MCO 3100.4A on armypubs.army.mil
It establishes policy, guidance, organizational responsibilities, roles, authorities, and relationships for cyberspace operations. It covers DOWIN and DCO-IDM missions, cyberspace fires, training, coordination, resourcing, and command processes.
Applies to: (2) This Order is applicable to the Marine Corps Total Force.
The DOWIN operations mission is to secure, configure, operate, extend, maintain, and sustain DoW cyberspace to create and preserve the confidentiality, availability, and integrity of the DOWIN. (paragraph 6)
DCO-IDM are the form of DCO mission where authorized cyberspace defensive actions occur within the defended network or portion of cyberspace. (paragraph 6)
Within a Marine Expeditionary Force (MEF), these fires are planned and executed from the Information Coordination Center (ICC) as part of the MEF Information Group (MIG) in support of the MEF Fire and Effects Coordination Center (FECC). (paragraph 2)
Execution of these cyberspace fires may only occur when authorized. (paragraph 4)
Deconfliction of cyber operations is required before execution. (paragraph 5)