The US military has assembled a 120-member team to prepare for the expected publication of some 400,000 Iraq war documents on the Wikileaks website.
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.
The timing is unclear but it would dwarf Wikileaks’ July publication of more than 70,000 Afghan war files.
(Read more from bbc.co.uk)