Joseph was drafted in July 1942. After his basic military training he had at least one assignment and was promoted to PFC. PFC Trask was transferred from the replacement depot to F Company 116th Infantry to serve as a rifleman on 15 Jul 1944 while the regiment was in the vicinity of Saint-Lo, France. He fought with the unit to liberate Vire and it was near there that he was shot and killed in action on 9 Aug 1944.
PFC Trask rests forever in the Brittany American Cemetery.
Joseph was not the only loss his family suffered in WW2. Younger brother, PFC Anton Sam Trask, was captured while serving with K Company 137th Infantry, 35th Infantry Division and killed on 28 Jul 1944, also in France. Older brothers also served. Stanley W. Trask served as a SSG with the 621st Army Air Force Base Unit during WW2. Stephen A Trask served as a PFC in Vladivostok, Russia in the American Siberian Expeditionary Force.