After 18 months of research, RAND submitted a report in the summer of 2005 called “Rebuilding Iraq.” RAND researchers provided an unclassified version of the report along with a secret one, hoping that its publication would contribute to the public debate on how to prepare for future conflicts.

But the study’s wide-ranging critique of the White House, the Defense Department and other government agencies was a concern for Army generals, and the Army has sought to keep the report under lock and key.