How many United States servicemen are overseas?

According to the United States Department of Defense's "Military Personnel Statistics" for June 30, 2011 (http://siadapp.dmdc.osd.mil/personnel/MILITARY/history/hst1106.pdf), there were 1,434,312 active duty service men and women stationed in the United States and abroad (page 4, top line, "Total" column).

By subtracting the number of active duty service men and women serving in the United States and its territories, 1,226,638 (page 1, "Total - United States and Territories" line,"Total" column), the number of United States service men and women on active duty serving overseas is 207,674.

For more current information, go to http://siadapp.dmdc.osd.mil, click "Personnel", then "Military Personnel", then whichever date you are interested in.