SIPRNET Profile: SIPRNET Events (2) (Shortly After 8:48 a.m.) September 11, 2001: NEADS Intelligence Officer Checks Military Internet System, but It Has No Information on Flight 11 Hijacking 2001-09-11 (Before 9:03 a.m.) September 11, 2001: Special FAA-Military Link Fails to Help Communication Problems 2001-09-11