Another facet of war that often gets overlooked:

Pentagon: Suicides of U.S. Troops Rising in Iraq

"There have been about 21 confirmed suicides during the past year associated with Operation Iraqi Freedom," Winkenwerder said, adding that 18 were Army troops and three others were in the Navy and Marine Corps.

The suicide toll is probably higher than 21, he added, because some "pending" non-hostile death cases are still being investigated.

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