9/11: How Americans honored the fallen 17 years later

On September 11, 2001, lives and America were forever changed because of the worst terrorist attack in American history. A total of 3,000 people lost their lives in New York City, Pennsylvania and Arlington, Virginia.

Seventeen years later, thousands of people across the country, including the President and First Lady, gathered to honor those victims with special ceremonies. Here is a look at some of the images from 9/11 memorials.

Family members and friends of victims of the terrorist attack walked hand-in-hand into the World Trade Center site for the annual September 11 commemoration service in NYC.

Bruce Stanley, a retired New York City firefighter, held a portrait of his late friend Liam Smith Jr., a firefighter who passed away during the attacks in New York City.

President Donald Trump and First Lady Melania Trump paid a visit to the new memorial on the grounds where Flight 93 crashed in Shanksville, Pennsylvania.

Vice President Mike Pence and second lady Karen Pence laid a wreath during a ceremony at the National 9/11 Pentagon Memorial at the Pentagon.

Untied States service members stood in attention and salute during a memorial ceremony held at the Pentagon in Arlington, Virginia.

Edwin Morales, a member of the Army Reserves kneeled in commemoration of his friend Ruben Correa.