The 2nd Independent Battery, Iowa Light Artillery (Union) was organized on August 18, 1861 in Pottawattamie County, Iowa under the command of Capt. Nelson T. Spoor and served in the Western Theater. It was later commanded by Capts. Joseph R. Reed and John W. Coons. It was mustered out of service on August 7, 1865. (NPS-BU; Wiki)
The 27th Regiment, Iowa Infantry (Union) was organized on October 3, 1862 in Dubuque, Dubuque County, Iowa under the command of Col. James Isham Gilbert and served in the Western Theater in the Department of the Tennessee and the Department of the Cumberland. It was later commanded by Col. Jed Lake. (NPS-BU; MSR-US; Wiki)
The 2nd Regiment, Iowa Infantry (Union) was organized on May 27, 1861 in Lee County, Iowa under the command of Col. Jacob G. Lauman and served in the Western Theater. It was later commanded by Cols. James Baker, James M. Tuttle, and Thomas W. Sweeny. It was mustered out of service on July 12, 1865. (NPS-BU; MSR-US)