sasha. i have very vivid memories f of of, you know, giving sasha a bottle and rocking her to sleep while we were watching, you know, the aftermath of those attacks. it gave you a sense for the first time in my lifetime that our homeland could be vulnerable. now earlier today the president and first lady observed a moment of silence on the white house south lawn. defense secretary ash carter led services a t pentagon and at the flight 93 crash site in shanksville pennsylvania as well as in new york city. also vice president joe biden stopped by to thank first responders at the manhattan fire house. this afternoon the vice president helped kick off a motorcycle ride saying the difficulty of this day doesn t get any easier with the years. it is a tough day for all of
september 11th attacks were killed. he came here to remember all the lives lost on that day after osama bin laden s murder of course on sunday. t.j. winick has more now from ground zero. good morning, t.j. reporter: good morning, rob and peggy. some people are calling this president obama s victory lap after the killing of osama bin laden. but the white house insists, this was all about recognizing burden carried by some new yorkers over the past ten years and offering them a sense of closure. president obama told a crowded new york city firehouse there is a direct link from those who fell on 9/11 to sunday s mission by u.s. navy s.e.a.l.s. they were doing it in the name of your brothers that were lost. reporter: 15 firefighters from manhattan fire house never returned after september 11, 2001. it s a bittersweet thing because you don t know exactly how to gauge what s going on but it will never bring the lost ones back.