As of Tuesday, Oct. 18, 2011, at least 4,478 members of the U.S. military had died in the Iraq war since it began in March 2003, according to an Associated Press count.
The figure includes nine military civilians killed in action.
At least 3,525 military personnel died as a result of hostile action, according to the military's numbers.
The AP count is three fewer than the Defense Department's tally, last updated Monday at 10 a.m. EDT.
Since the start of U.S. military operations in Iraq, 32,213 U.S. service members have been wounded in hostile action, according to the Defense Department's weekly tally.
No recent casualty identifications were reported this week by the military.