Marines also seized a hospital in Nasiriya and captured nearly 170 Iraqi soldiers who had been staging military operations from the facility, U.S. authorities said.
No civilians were in the facility, which U.S. Central Command said was "clearly marked as a hospital by a flag with a red crescent."
Marines confiscated over more than 200 weapons, more than 3,000 chemical suits with masks and Iraqi military uniforms in the hospital, and found a T-55 tank in the hospital compound, Central Command said.
Marines had been fired at from the hospital a day earlier.