After the crash of Flight 3407 was determined to be caused by pilot error, not weather, the families of those lost resolved to transform the airline industry.
They worked for years to update pilot training standards that hadn't been improved in decades.
But even after their efforts were successful, they haven't been able to rest.
The advocates are concerned the moment they stop watching Congress and pushing for safer skies, the laws put in place after the crash — and their years of work — will be undone.
Some families have gone to Washington, D.C., more than 100 times, but they said what is refreshing is all the help they have on the Hill from people behind the scenes helping them and keeping them up-to-date on potential issues.
They also say what really keeps them going is knowing how proud their loved ones would be at what they accomplished.