>> reporter: i did her name is carol o'hare and her mother 79-year-old moving from new jersey to danville, to live with her. carol says 11 years later the anniversary is like reliving that day. from song to silence memorial service in union city honors passengers and crew of san francisco bound flight 93. >> christian adams, todd beamer. >> reporter: carol o'hare of danville lost her mother 11 years ago today. >> i woke up to a happy day my mother was moving from california to new jersey. >> reporter: that chapter of their life to the would never come to be. >> the day devolved from there not knowing where she was, not finding anything out until i was on the phone with my sister in new jersey. we saw it on the crawl line on cnn that flight 93 had crashed in rural pennsylvania. i think everything went to hell from there for everybody, especially my mom. >> reporter: michael emerson created this place of reflection. a marine, determined to not let the victims be forgotten. >> when i told family members i was coming out with flowers, i said -- they said i would like to come, then the mayor a

>> reporter: i did her name is carol o'hare and her mother 79-year-old moving from new jersey to danville, to live with her. carol says 11 years later the anniversary is like reliving that day. from song to silence memorial service in union city honors passengers and crew of san francisco bound flight 93. >> christian adams, todd beamer. >> reporter: carol o'hare of danville lost her mother 11 years ago today. >> i woke up to a happy day my mother was moving from california to new jersey. >> reporter: that chapter of their life to the would never come to be. >> the day devolved from there not knowing where she was, not finding anything out until i was on the phone with my sister in new jersey. we saw it on the crawl line on cnn that flight 93 had crashed in rural pennsylvania. i think everything went to hell from there for everybody, especially my mom. >> reporter: michael emerson created this place of reflection. a marine, determined to not let the victims be forgotten. >> when i told family members i was coming out with flowers, i said -- they said i would like to come, then the mayor a

carol o'hare says her mother was moving to the bay area from new jersey that day. >> i woke up to have a very happy day when my mother was moving to california from new jersey, and only to see the twin towers being hit on tv as i was getting ready to go to the airport to pick her up. and the day just evolved from there, not knowing where she was. >> a founder of the memorial says he wasn't expecting such a large turnout today. each year he also holds a ceremony for those who died on flight 93 on memorial day. >>> across the country, tributes and emotions poured out throughout the day. in lower manhattan, the scene was more intimate than in years past. let's bring in nbc bay area's daniele from the world trade center, at least near that area where it once stood. danielle? >> reporter: good evening. we can't show you this right now with our cameras because of where i'm standing, but right in front of me are two tributes of light. they're symbolizing the world trade centers that fell during the attacks, and the final memorial this evening for the victims on this 11th anniversary. >> jack

carol o'hare says her mother was on that flat and was moving to the bay area that day from new jersey i woke up to have a very happy day when my mother was moving to california from new jersey and only to see the twin towers being hit on tv as i was getting ready to go to the airport to pick her up, and the day just devolved from there, not knowing where she was. >> the founder of the memorial wasn't expecting sku ining such turnout considering he was you a way at the national monument. each year he holds a ceremony for those who died on flight 39 and also memorial day. >>> members of congress divided as they are stood shoulder to shoulder honoring those who died 11 years ago. ♪ god bless america land that i love ♪ >> they marked the anniversary with a moment of silence, and how speaker john boehner teared up recalling those living and dead who stepped up to help following the attacks. president obama had a full schedule today visiting arlington national cemetery, the pentagon and wounded service members at walter reid army hospital. mitt romney spoke at the national guard convention