9/11attacksSeptember11attacks9/11attacks,seriesofairlinehijackingsandsuicideattackscommittedby19militantsassociatedwiththeIslamicextremistgroupal-QaedaagainsttargetsintheUnitedStates,thedeadliestterroristattacksonAmericansoilinU.S.history.TheattacksagainstNewYorkCityandWashington,D.C.,causedextensivedeathanddestructionandtriggeredanenormousU.S.efforttocombatterrorism.Some2,750peoplewerekilledinNewYork,184atthePentagon,and40inPennsylvaniaall19terroristsdiedPoliceandfiredepartmentsinNewYorkwereespeciallyhard-hit:hundredshadrushedtothesceneoftheattacks,andmorethan400policeofficersandfirefighterswerekilledaboutthefactsabouttheal-Qaeda阿盖达组织aglobalmilitantIslamistandtakfiriorganizationfoundedbyOsamabinLaden,AbdullahAzzam,andseveralothermilitants,inPeshawarPakistanAtsomepointbetweenAugust1988andlate1989,withitsoriginsbeingtraceabletotheSovietWarinAfghanistan.WorldTradeCenterThePentagon,lookingnortheastwiththePotomacRiverandWashingtonMonumentinthedistance.ThePentagonsurroundedbysmokeandflames,showingthedamageoftheterroristattacksof9/11.ThePentagonwasheavilydamagedafterahijackedcommercialairlinercrashedintothesouthwestcornerofthebuildingonSeptember11,2001.Emergencyworkersandfirefightersworkedthroughthenightsearchingforsurvivors.ArescuehelicopterusesWashingtonBoulevardoutsidethePentagontoevacuateinjuredpersonnelaftertheterroristattackonthebuildingonSeptember11,2001.MedicalpersonnelandvolunteershelpinjuredpeopleoutsidethePentagononSeptember11,2001.U.S.PresidentGeorgeW.BushandSecretaryofDefenseDonaldRumsfeldvisitthePentagontoviewthedamagethedayaftertheSeptember11,2001,terroristattacks.AmemorialstandsonthehilloverlookingtheareawhereUnitedFlight93crashedinruralPennsylvanianearShanksville.ThankYou