The enemy fooled all of our high-tech gadgetry with training, observation, intelligence, terrain, planning, rehearsal, and audacity, using basic military tactics that were perfected long before anyone reading this was born. Persistence and luck was also a key factor: the Taliban have attempted similar attacks at different bases in the past with poor results. The Taliban only have to be lucky once. We have to be lucky all of the time.Read the rest over at Pete's page.
High-tech does not mean invincible.