At the time of the American Civil War, Fairchild enlisted in the Union Army becoming a colonel in the 16th Wisconsin Volunteer Infantry Regiment.
Wisconsin | 16th United States Congress | University of Wisconsin–Madison | Madison, Wisconsin | Green Bay, Wisconsin | Wisconsin State Assembly | Racine, Wisconsin | regiment | La Crosse, Wisconsin | Kenosha, Wisconsin | infantry | Sheboygan, Wisconsin | Milwaukee County, Wisconsin | Wausau, Wisconsin | Richard Neville, 16th Earl of Warwick | Wisconsin State Senate | University of Wisconsin-Madison | Infantry | Wisconsin Badgers | University of Wisconsin–Milwaukee | Parachute Regiment (United Kingdom) | Appleton, Wisconsin | Wisconsin Badgers football | Superior, Wisconsin | Regiment | Eau Claire, Wisconsin | Dane County, Wisconsin | St. Croix River (Wisconsin-Minnesota) | Mequon, Wisconsin | Fond du Lac County, Wisconsin |