This 2015 photo provided by the National September 11 Memorial & Museum shows a photo of Scott Michael Johnson in a display at the museum in New York. The display included a photo and a hockey puck that were a gift of the Thomas S. Johnson family in memory of their son, who died at the World Trade Center in the Sept. 11 attacks. The remains of the 26-year-old securities analyst, an employee at the investment banking company Keefe, Bruyette & Woods at the World Trade Center, was identified Wednesday, July 25, 2018, nearly 17 years after the attacks. (Jin Lee/National September 11 Memorial & Museum via AP)
Tributes were held around the country for the 10th anniversary of the Sept. 11 terrorist attacks on the U.S.