SGM Cornell W. Gilmore was a native of Baltimore, Maryland. He graduated from the University of Maryland in 1980 with a Bachelors of Science degree in Sociology and a minor in Criminal Justice. He then enlisted in the United States Army in October 1981. He subsequently completed Basic Training at Fort Jackson, South Carolina, and AIT at Fort Benjamin Harrison, Indiana in March 1982.
His assignments included: Legal Specialist at 5th Combat Aviation Battalion, Fort Polk, Louisiana; Legal NCO at 3rd Sqdn, 12th Cavalry, Buedingen, Germany; Admin NCO,Command Judge Advocate, United States Disciplinary Barracks, Fort Leavenworth, Kansas; NCOIC, Trial Defense Service, US Army Combined Arms Center, Fort Leavenworth, Kansas; NCOIC, Military Justice, Nuernberg Law Center, 1st Armored Division, Nuernberg Germany; NCOIC, Nuernberg Law Center, 1st Armored Division, Nuernberg Germany; NCOIC, Criminal Law, 3rd Infantry Division, Wuerzberg, Germany; Chief Legal NCO, 3rd Infantry Division, Wuerzberg, Germany; Chief Legal NCO, 1st Infantry Division, Wuerzberg, Germany; Chief Legal NCO, 25th Infantry Division, Schofield Barracks, Hawaii; Chief Legal NCO, I Corps, Fort Lewis, Washington.
SGM Gilmore's military education included: PLDC (Distinguished Honor Graduate), BNCOC, ANCOC, (Commandant's List), and the US Army Sergeant Major Academy (where he again earned a place on the Commandant's list).
SGM Gilmore was awarded the following decorations and medals: Distinguished Service Medal (posthumous), Bronze Star Medal, Purple Heart, Meritorious Service Medal (3), Army Commendation Medal (4), Army Achievement Medal (4), Army Good Conduct Medal (5th award), National Defense Service Medal BSS(1), Southwest Asia Service Medal - BSS (2), NCO Professional Development Ribbon (4), Army Service Ribbon, Overseas Service Ribbon (3), Kuwait Liberation Medal (Kingdom of Saudi Arabia), and the Kuwait Liberation Medal (Kuwait).
On February 9, 2007, MG Black presided over a stained glass unveiling ceremony honoring SGM Gilmore in the Hall of Heroes.