Rubuta ci gaba don wannan sakin layi - A watan Yulin 1861 wani rukunin da aka sani da Engineer Regiment na Yammacin da aka tattara musamman a cikin Jihohin Illinois da Missouri, Col. J. W. Bissell ne ya shirya shi, kuma an sanya Henry Flad kyaftin na Kamfanin B. A watan Agusta na wannan shekarar Janar Frémont, sa'an nan kuma a St. Louis, don yin hidima a gina gine-gine a Cape Girardeau, Missouri, inda ya kasance har tsawon watanni. Daga baya a cikin shekara, lokacin da Janar Halleck ya gaje Frémont, an umurci Kyaftin Flad ya shiga Janar Paparoma a kudu maso gabashin Missouri, kuma ya yi aiki a matsayin jami'in ma'aikata ta hanyar yakin New Madrid da Point Pleasant da kuma karɓar Island Number Ten, bayan haka sai ya sake komawa rundunarsa a New Madrid. Ya kasance tare da rundunarsa a Fort Pillow da Pittsburgh Landing
kuma a cikin ayyukan kafin Koranti. A lokacin rani na 1862 ya tsunduma cikin gyaran Mobile da Ohio Railroad, a gina sansanoni a Koranti, da kuma gyaran Mississippi Central Railroad. Ya kuma shiga cikin ci gaba na Grant a Grenada. A watan Fabrairun, 1863, an umurce shi zuwa Young's Point, inda aka yi amfani da shi a aikin injiniya, kamar yadda ya kasance daga baya a Baxter Bayou, Lake Providence, da Bayou Macon.