List of Engineer Regiments of the Union Army

Engineer Regiments were a key aspect of the Union army during the American Civil War. The duties engineer regiments during the American Civil War included destroying and building transportation networks, erecting defensive and offensive emplacements, and providing situational intelligence. Though federally organized engineer units existed, the vast majority of engineer units and regiments, were volunteers from civilian engineering fields. Within the Union army, there were 12 engineering regiments, of which, 11 regiments were volunteer regiments. Notable engineer regiments include the decorated 1st New York Volunteer Engineer Regiment and the 1st Regiment of Louisiana Engineers (an all African-American regiment).

+ Regiment Alternative Name Army of Service Date Established Date Disbanded Service Term 1st Engineer RegimentDecember 18611865 1st Veteran Volunteer Engineer RegimentArmy of the CumberlandAugust 30,1864December 18653 years 1st New York Volunteer Engineer Regiment"Serrell's Engineers"Army of the JamesOctober 11, 1861June 30, 18653 years 15th New York Volunteer Engineer Regiment"Sappers and Miners"Army of the PotomacMay 9, 1861July 2, 18652 years 50th New York Volunteer Engineer Regiment"Stuart's Engineers"Army of the PotomacOctober 22, 1861June 14, 18653 years 1st Michigan Engineers and Mechanics RegimentArmy of the OhioOctober 1, 1861September 22, 18653 years Bissell's Engineer Regiment"Engineer Regiment of the West"Army of the Mississippi August 5, 1861February 17, 18643 years 1st Missouri Engineer Regiment"Engineer Regiment of the West"Department of the Cumberland Military Division of the MississippiFebruary 17, 1864July 22, 1865 1st Regiment of Louisiana Engineers"1st Engineer Corps d'Afrique"Department of the Gulf (95th & 99th Infantry)June 1863June 18653 years 2nd Regiment of Louisiana Engineers"2nd Engineer Corps d'Afrique"Department of the Gulf (95th & 99th Infantry)August 1863June 18653 years 3rd Regiment of Louisiana Engineers"3rd Engineer Corps d'Afrique"Department of the Gulf (95th & 99th Infantry)August 1863June 18653 years 4th Regiment of Louisiana Engineers"4th Engineer Corps d'Afrique"Department of the Gulf (95th & 99th Infantry)December 31, 1863June 18653 years 5th Regiment of Louisiana Engineers"5th Engineer Corps d'Afrique"Department of the Gulf (95th & 99th Infantry)Spring 1864June 18653 years

See also List of New York Civil War regiments 1st Michigan Engineers and Mechanics Regiment 1st New York Volunteer Engineer Regiment

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