Artillery Depot at Camp Barry Near Washington, D.C. (U.S. Civil War)The Artillery Depot at Camp Barry was a significant military installation located near Washington, D.C., during the U.S. Civil War. Established in 1861 as a training camp for artillery units, it played a crucial role in the Union's defense strategy. The depot housed and equipped numerous artillery batteries that were dispatched to various battlefronts throughout the war. Notable events associated with the Artillery Depot at Camp Barry include the development of the Cooke rifle system and the training of the famous 5th U.S. Colored Heavy Artillery Regiment. The camp was later abandoned in 1864, marking the end of its military significance during the Civil War era.