Marine Corps Sgt. Maj. Tracey D. Nicholson, a Virginia native, outgoing sergeant major of Marine Corps Cyberspace Operations Group, addresses attendees of a retirement ceremony on Marine Corps Base Quantico, Virginia, February 15, 2024. MCCOG executes Marine Corps Department of Defense Information Network Operations and Marine Corps Defensive Cyberspace Operations to enhance freedom of action across warfighting domains while denying the efforts of adversaries by degradation or disruption via cyberspace operations. Marine Corps

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Keywords: change, command, mcbq, mccog, quantico, retirement, tcaq