The XII Corps was a corps of the Union Army during the American Civil War.
Site of XII Corps Redoubt #3, overlooking Aquia Landing, Virginia, February 2024 (located about one mile east of national historic site Redoubt No. 2).
George Sears Greene was a civil engineer and a Union general during the American Civil War. He was part of the Greene family of Rhode Island, which had a record of distinguished military service to the United States. He first served in the Army from 1823 to 1836 after graduating second from his class at West Point. As a civilian, he was one of the founders of the American Society of Civil Engineers and Architects and was responsible for numerous railroads and aqueduct construction projects in the northeastern United States.
George S. Greene as a Brevet Major General
Monument to Greene on Culp's Hill at Gettysburg National Military Park