Marvin W. Groves was born on March 2, 1922. He was the son of Willard E. Groves and Nellie J. Moore Groves. He served in the U.S. Army during World War II as a Corporal in the 3206th Quartermaster Service Company. He was killed during the Exercise Tiger--one of the large-scale rehearsals for the D-Day invasion of Normandy. This took place in April 1944 in Slapton Sands, Devon in the UK. An Allied naval convoy involved in the exercise was attacked by German submarines, and coordination and communication problems resulted in friendly fire deaths. At least 749 American servicemen were killed. Because of the impending invasion of Normandy, the incident was highly classified and the full story did not come out until years later after the war. He died on April 28, 1944 and is now buried in Cambridge American Cemetery, Cambridge, United Kingdom. His name is commemorated on a large plaque located inside a bunker in Utah Beach, France and ranked as a Technician Fifth Grade.