A military statement on Friday did not include the marine's name, but said he was assigned to Regimental Combat Team-8 of the 2nd Marine Division. He was killed on Thursday west of Baghdad, the statement said.
As of Thursday, at least 1773 members of the US military had died since the beginning of the Iraq war in March 2003, according to an Associated Press count. At least 1363 died as a result of hostile action.
The figures include five military civilians.