Wikileaks published several thousand text messages from 9/11.
2001-09-11 09:46:48 Arch  C ALPHA Sir, Pentagon just was hit by what looks to be fairly large bomb in vicinity of Heliport. Base has gone to threatcon "C" which essentially closes the base gates. Trying to get more info.  2001-09-11 10:00:19 Arch  C ALPHA Admiral, Call when able. We are going to TREATCON C. vr Nigel  2001-09-11 12:20:37 Arch  C ALPHA Admiral, Your mother called. vr Nigel 
The state secret revealed here: even admirals have mothers.