 Piestewa died of her wounds soon afterward.After a delay, the Marines of 1st Battalion, 2nd Marines (part of 2nd Marine Expeditionary Brigade), attacked Nasiriyah from the south, using amphibious assault vehicles (AAV's) and Cobra gunships.During this action, the Marines captured two bridges spanning the Euphrates River that were defended by Fedayeen and Ba'ath Party guerrilla soldiers.