PENTAGON ON THE 77TH MERIDIAN, ATTACKED BY FLIGHT 77 Flight 11 and Flight 77 were both "twin" numbers. Atlas, whose pillars were temporarily shouldered by Hercules during his 11th Labor, is Plato's legendary king of Atlantis. Atlantis was ruled by 7 sets of Twins!

# 77 is an Illuminated signal, the number of the Revenge of Lamech, ancestor of Hiram Abiff the Master Mason.
THE NUMBERS 7-11:
While the date 9-11 is evocative for the association with #911 emergency phone number, this date's Illuminated significance can be discerned by remembering it as the Roman (mars worshipping) 11TH DAY OF 7TH MONTH = 7-11.