Kammala wannan jumla: Sargent ya shiga aikin soja a cikin 5th Vermont Infantry, Company D a Stowe, Vermont a watan Agustan 1861, kuma an ba shi izini a matsayin na farko na kamfanin K na wannan rundunar a watan Mayu 1865. Ayyukan da ya yi a lokacin aikinsa sun hada da: kare Washington, DC, Siege na Yorktown (1862), Yaƙin Williamsburg, Yaƙin Garnett da Golding's Farm,
Yaƙin Tashar Savage, Yaƙin Maryland, Yaƙin Crampton's Gap, Yaƙin Antietam, Yaƙin Fredericksburg, Yaƙin Salem Church, Yaƙin Gettysburg, Yaƙin Wilderess, Yaƙin Spotsyvlania Court House, Yaƙin Cold Harbor, Yaƙin Cedar Creek, Yaƙin na Uku na Petersburg, da Yaƙin Appomattox Court House. An ba shi lambar yabo ta Amurka don nuna jaruntakarsa a ranar 2 ga Afrilu, 1865, lokacin da ya hau, kuma ya sanya tutar Amurka a kan, bangon wani sansanin soja a Petersburg, Virginia. An ba da wannan lambar yabo a watan Oktoba 1891.