Family members of victims visit the National 9/11 Pentagon Memorial during a ceremony observing the 9/11 terrorist attacks at the Pentagon on September 11, 2023 in Arlington, Virginia. The Defense Department held a remembrance ceremony for the 184 lives lost in the 2001 terrorist attack on the Pentagon. Today marks the 22nd anniversary of September 11, 2001 terrorist attacks at the World Trade Center, the Pentagon and Shanksville, Pennsylvania. (Photo by Win McNamee/Getty Images)