 Pari gbolohun ti o tẹle: Sargent wọle gẹgẹbi ọmọ-ogun ni 5th Vermont Infantry, Company D ni Stowe, Vermont ni Oṣu Kẹjọ ọdun 1861, ati pe o ti ni aṣẹ bi alakoso akọkọ ti Ile-iṣẹ K ti regiment yẹn ni Oṣu Karun ọdun 1865. Awọn ijiroro lakoko akoko iṣẹ rẹ pẹlu: idaabobo ti Washington, DC, Siege of Yorktown 1862, Ogun ti Williamsburg, Ogun ti Garnetts ati Goldings Farm, Ogun ti Ibudo Savage, Igbimọ Maryland, Ogun ti Cramptons Gap, Ogun ti Antietam, Ogun ti Fredericksburg, : Ogun ti Salem Church, Ogun ti Gettysburg, Ogun ti Wilderess, Ogun ti Spotsyvlania Court House, Ogun ti Cold Harbor, Ogun ti Cedar Creek, Ogun Kẹta ti Petersburg, ati Ogun ti Appomattox Court House. Wọn fún un ní àmì ẹyẹ U.S. Medal of Honor fún ìgbésẹ ìgboyà rẹ ní April 2, 1865, nígbà tí ó gun, tí ó sì gbé àsíá Amẹríkà sórí, òrùlé ilé-ogun Confederate fort ní Petersburg, Virginia. October 1891 ni wọn fún un ní ẹbùn náà. 