 Mustered into federal service 9 May 1898 at Concord as Company E, 1st New Hampshire Volunteer Infantry; mustered out of federal service 31 October 1898 at Concord and reorganized as Company E, 3d Regiment.Redesignated 23 January 1900 as Company E, 2d Regiment.Redesignated 15 April 1909 as Company E, 1st Infantry.