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John Clem (1851–1937) was an Army general who served as a drummer boy in the Union Army in the Civil War. He gained fame for his bravery on the battlefield, becoming the youngest (12 yrs) noncommissioned officer in Army history. He retired in 1915, having attained the rank of Brigadier General in the Quartermaster Corps. When advised he should retire, he requested to be allowed to remain on active duty until he became the last veteran of the Civil War still on duty in the Armed Forces.