 Kunyora kuenderera mberi kweiyi ndima - Kugamuchira komisheni yake semutevedzeri musi wa31 Chivabvu 1860, akashanda ari muchikepe chechimurenga muna 1861, uye pachikepe chechimurenga cheWest Gulf Blockading Squadron muna 18621863, achitora chikamu mukubatwa kweNew Orleans, Louisiana, mukupera kwaApril 1862; achiona chiito mukuputika uye kupfuura kweForts Jackson neSt Philip., pamabatiri eChalmetto, uye mukuparadzwa kwechikepe chevapanduki uye zvinotakura musi wa24 Kubvumbi 1862, uye mukufamba kwemabhatiri eVicksburg muna Chikumi. Akanga aripo apo Confederate ram yakarwisa Union Fleet musi wa15 Chikunguru 1862, achigamuchira komisheni yake semutevedzeri wemutungamiri zuva rakatevera. Sicard akarayira mauto maviri panguva yekurwiswa kweFort Fisher muna Zvita 1864 naNdira 1865, uye akaona mamwe mabasa pakuputika kweFort Anderson musi wa 11 Kukadzi 1865. Sicard akabva ashanda muSouth Atlantic Blockading Squadron kusvikira hondo yapera. 