[Grizzled Bear]

"DoD decided to purchase copies of the first printing because they contained information which could cause damage to national security," Pentagon spokeswoman Lt. Col. April Cunningham said.

If information can cause damage to national security, it is likely classified as "Confidential." There are laws about releasing Confidential information. Before publishing/releasing information, military authors are required to clear their work through Public Affairs.

This doesn't add up...

[SandRat]

Something smells.