. >> heather kenny was one of the -- she talks about her experiences that day and the possibility she might have to ring down flight 93, which terrorists hijacked. >> good evening, i am the deputy director of the smithsonian's national air and space museum. it is my pleasure to welcome you lecture.t's aviation since 1982, this series has spotlighted more than 140 of the biggest the 140 of the biggest names in modern aviation history. ofs is presented free charge. this is possible thanks to the ge aviation.ort of programs like theirs are critical to our exhibitions. privilege to thank them for our long-standing support. the digital solutions leader of at gery solutions aviation, lisa, you would answer colleagues ige, we thank you for your substantial and it enduring support. applause] >> and since we opened the and ourn the ball, housing center and chantilly you in 2003, more than 200 50 million people of walk through our doors to be informed and inspired by the history of travel.nd space drying from the priceless collection of iconic artifacts and intellectual trust, our curators, vol