. >> sunday night on "q&a," jessica duong was chief engineer of the historic fireboat john day harvey on september 11 went it was called back into service to aid firefighters following the attacks on the twin towers. in her book, she tells the story of the community of mariners who came to the rescue of thousands. >> the maritime evacuation that delivered nearly half a million people to safety is an incredible example of the goodness of people, that when you are given the opportunity to help, you have the tools, the skill set, the availability that people over and over again made the choice to put themselves in harm's way for the sake of fellow humans, and that is very instructive, something we need to remember. >> sunday night at 8:00 p.m.

>> sunday night on "q&a," jessica duong was chief engineer of the historic fireboat john day harvey on september 11 went it was called back into service to aid firefighters following the attacks on the twin towers. in her book, she tells the story of the community of mariners who came to the rescue of thousands. >> the maritime evacuation that delivered nearly half a million people to safety is an incredible example of the goodness of people, that when you are given the opportunity to help, you have the tools, the skill set, the availability that people over and over again made the choice to put themselves in harm's way for the sake of fellow humans, and that is very instructive, something we need to remember. >> sunday night at 8:00 p.m. eastern on c-span's "q&a." you can also find "q&a" interviews wherever you get your podcasts. >> earlier today, former president trump visited and made brief remarks at a police precinct and fire department in new york city on the 20th anniversary of the september 11 terror attacks. [indiscernible chatter] >> attention! >> what a group of people. than