But back to the point. That Marine knows better than to talk openly about that stuff. It violates OPSEC. OPSEC that he's had many, many briefings on. Even the tiniest bit of seemingless insignificant information can be used against us.

What ranger140892 says here is absolutely correct. One must be familiar with the intelligence cycle to understand this point!

However, if, as I have been informed, this e-mail is several years old, nothing new is being revealed by printing it now....