Rubuta ci gaba ga wannan sakin layi - An ba Porter izini a matsayin babban jami'in a karkashin Gideon J. Pillow, kuma ya taimaka wajen shirya Rundunar Sojojin Tennessee. Bayan da aka haɗa wannan rundunar tare da babbar rundunar sojojin Confederate, an sanya Porter ga Janar Benjamin F. Cheatham. A matsayin shugaban ma'aikatan Cheatham, Porter ya shiga cikin yaƙe-yaƙe na Belmont, Shiloh
, Chickamauga, Mishan Ridge, da kuma Siege na Atlanta.