The families are also seeking the release of government documents that they say prove a link between Saudi Arabia and the attacks.
Former Port Authority employees Vincent and Rosemarie Borst said the events of 9/11 remain etched in their memories as they recalled their escape from the World Trade Center and the fear of losing loved ones.
An estimated 300,000 to 500,000 people were evacuated by boat in fewer than nine hours on Sept. 11, making it the largest sea evacuation in American history.
Family members openly called on the president to hold Saudi Arabia accountable.
Bush was visiting the school when he received news the nation was under attack.
Two decades after U.S. authorities locked Khalid Sheikh Mohammed away at a military detention center in Cuba, the purported mastermind of the Sept. 11 attacks sometimes seems barely any closer to being put on trial than the day he arrived.