Rubuta ci gaba ga wannan sakin layi - A lokacin kaka na 1863 da kuma lokacin hunturu, rundunar ta shiga cikin "yaƙe-yaƙe". Gwyn ya yi aiki a yayin da yake umurni na 118th Regiment na watanni biyar masu zuwa ba tare da wani rikici ba har sai yakin basasa a watan Mayu 1864. A ranar farko ta yaƙi, 5 ga Mayu, an harbe Gwyn a cinya, kuma an cire shi daga aiki na akalla wata daya. Gwyn zai sami ci gabansa zuwa colonel a Beverly Ford don ayyukansa a Wilderness. Saboda raunin da ya samu, bai iya jagorantar Rundunar 118 a cikin rikice-rikice da yawa ba, gami da Yaƙin Spotsylvania Court House, Yaƙin Arewacin Anna, Yaƙin Totopotomoy Creek
, da yakin Bethesda Church, da kuma yakin Cold Harbor.