President Obama and first lady Michelle Obama made a stop at the Pentagon this afternoon to remember those who died there during the Sept. 11 terrorist attacks.

The visit completes their stops at every location where the United States was attacked by terrorists 10 years ago today. The day of remembrance ends with a concert tonight at the Kennedy Center, where the president will deliver remarks.

The couple spent most of their Pentagon visit meeting with families of the victims. One hundred twenty five people inside the Pentagon and 59 passengers aboard American Airlines Flight 77 were killed at the Pentagon on 9/11.

The president laid a wreath and observed a moment of silence in remembrance of the victims. After laying the wreath, Obama crossed over a dateline on the ground there that reads “September 11, 20011 9:37 AM,” the exact moment the Pentagon was struck.

The president and first lady also made stops in New York and Pennsylvania to mark the sober anniversary.