The nation marked the 22nd anniversary of the September 11, 2001 attacks when members of the terrorist group al-Qaeda flew hijacked airplanes into the World Trade Center, Shanksville, Pa. and the Pentagon, killing nearly 3,000 people.  USA TODAY Network photographers documented commemorations to honor the victims of the attacks in communities across the country.   📷: @tariqzehawi , @northjerseynews ; @jayjanner , @statesman ; @dhphoto9 , @buckscouriertimes  ;    Matthew Dae Smith ,  @lsjnews ; @sethharrison , @lohud ; @artillmanphotography , @metrowestdaily ;  Greg Derr  , @patriotledger ;  @ricrol , @thenewspress ; @michael_clevenger_cj , @courierjournal ; @angelalpiazza , @callertimes