WASHINGTON—Vincent Stewart, a retired Lieutenant General in the United States Marine Corps – who most recently served as Deputy Commander at United States Cyber Command – passed away at his home on 27 April 2023.

Lt. Gen. Stewart had a highly distinguished and decorated military career, with over 35 years of Marine Corps and Department of Defense (DOD) experience. Stewart retired from the U.S. Marine Corps in 2019 after more than 38 years of active commissioned service to the nation.

As deputy commander, U.S. Cyber Command, he planned and organized the Department of Defense’s efforts to secure the nation’s critical infrastructure and key resources against malicious cyber threats. Before that, General Stewart was the director of the Defense Intelligence Agency (DIA), where he served as the principal advisor to the secretary of defense and the chairman of the Joint Chiefs of Staff on military intelligence-related matters. He is the first African American, first Jamaican American and first Marine to hold the position of director of DIA. 

A career intelligence officer, with over thirty years’ experience in national defense, cyber security, information technology development and customer support, he served around the globe in leadership positions for both the Marine Corps and the National Security Agency, specializing in Signals Intelligence and Cyber Operations.

Lt. Gen. Stewart earned a Baccalaureate Degree from Western Illinois University and Masters’ Degrees in National Security and Strategic Studies from the Naval War College, Newport, R.I. and in National Resource Strategy from the Industrial College of the Armed Forces, National Defense University, Washington, D.C. Additionally, he has completed executive development programs at Harvard University.

Among his awards and decorations were the Defense Distinguished Service Medal, the Navy and Marine Corps Distinguished Service Medal, the Defense Superior Service Medal; the Legion of Merit, the Bronze Star and the National Intelligence Distinguished Service Medal.