The New York Times reports: There are roughly 5,000 American service members in Iraq according to current Pentagon estimates, but the number often varies, sometimes daily, by hundreds. That number is higher than the cap the White House set last year, which limited the number of troops to be deployed to Iraq to 3,870. But under policies created by the military after the attacks of Sept. 11, 2001, service members who are planning to spend less than four months in a war zone are not counted.

Sergeant Cardin [who was killed on March 19] and the Marines [with him at Fire Base Bell, south of Mosul] were scheduled to be deployed in Iraq temporarily, so they did not count against the cap.

At the height of the war in 2007, the United States had roughly 165,000 troops deployed in 500 bases and outposts across Iraq. Mr. Obama, who ran for president in 2008 vowing to end the United States’ involvement, fulfilled his pledge when he pulled all American troops out of the country in 2011. But as the Islamic State has strengthened its hold in the region in the past two years, Mr. Obama has sent thousands of American service members back in. [Continue reading…]