"This is my holy place", she said before the hours-long reading of the names of her husband, Joel Miller, and the almost 3,000 others killed when hijacked jets slammed into the towers, the Pentagon and a field near Shanksville, Pennsylvania on september 11, 2001.
People walk under an American flag inside the Oculus, part of the World Trade Center Transportation Hub in NY, on the anniversary of the 9/11 terrorist attacks.
On Sept. 11, 2001, hours after the terror attacks toppled Manhattan's Twin Towers, killing thousands, Trump gave an interview boasting about the fact that his building at 40 Wall Street had just become the tallest in Lower Manhattan.
He was joined in remembrances by his wife, first lady Melania Trump, Pennsylvania Gov. Tom Wolf and former Gov. Mark Schweiker, who was the state's lieutenant governor on 9/11.
Trump listened as the names of the 40 victims were read aloud, followed by the tolling of bells.
How hard is it to write a thoughtful message to the families of those lost in the attack, thank the first responders, encourage America, or at the very very least, not pump your fists?
In all, four planes were hijacked by Al-Qaeda militants who used them to topple the trade center's twin towers and hit the Pentagon.
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"A band of courageous patriots turned the tide on our nation's enemies and joined the immortal rank of American heroes", he said.
"As long as this monument stands, as long as this memorial endures, fearless patriots will rise up in America's hours of need, and they too will fight back".
Those aboard United Flight 93, told over the phone by their loved ones that two other passengers jets had smashed into New York's World Trade Center, tried to regain control of their aircraft.
First, there was the way in which he commemorated the day on his favorite medium (Twitter), writing, "17 years since September 11th!"
Pence recalled the heroism of service members and civilians who repeatedly went back into the Pentagon to rescue survivors.
He also posted several other tweets that mentioned the attacks, including one hailing then-New York Mayor Rudy Giuliani, now Trump's lawyer.
Almost 3000 people died in the attacks on 9/11, when global terrorism hit home in a way it previously hadn't for many Americans. His leadership, bravery and skill must never be forgotten.