Sgt. Thomas Sullivan Photos: Pictures of Fallen Marine

According to his family, Sgt. Thomas Sullivan was killed by Mohammad Youssef Abdulazeez in Chattanooga on July 16. According to authorities, he was killed at a Naval Reserve Center in the town. The suspect was later taken down and killed by responding officers. Gunnery Sgt. Thomas Sullivan was 40 years old.

Here are the photos that celebrate the great life of Sgt. Thomas Sullivan.: