The documents are thought to concern battle activity, Iraqi security forces and civilian casualties.
The Pentagon said it wants the documents back to avoid potentially damaging information being released.
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The timing is unclear but it would dwarf Wikileaks’ July publication of more than 70,000 Afghan war files.
Pentagon spokesman Col Dave Lapan said the team was reviewing the files on the Iraq war to discover what the possible impact of the Wikileaks release could be…