Tag: 1st US Artillery (Battery D)
Wikipedia says: The 1st Air Defense Artillery is an air defense artillery regiment in the United States Army first formed as a field artillery unit in 1821.
Constituted 1 June 1821 in the Regular Army as the 1st Regiment of Artillery, and organized from existing units with headquarters at Fort Independence (Massachusetts). The lineages of some of the units that initially made up the 1st U.S. Artillery include campaign credit for the War of 1812.
Twelve batteries of the regiment served in the American Civil War. Battery E and Battery H were the garrison of Fort Sumter under Major Robert Anderson during the bombardment of the fort in April 1861.