Remembering 9/11 (58 images)

Joe Torres of Sayreville, N.J., a fire captain from Elizabeth, N.J., kneels as he touches the name of his sister-in-law Krystine Bordenabe during observances held on the eleventh anniversary of the attacks on the World Trade Center, at the site in New York, September 11, 2012. Bordenabe was 33 and eight months pregnant when she was killed in the South tower on 9/11/01. Torres' daughter Lea Torres, 16, is a reader at today's ceremony. UPI/ CRAIG RUTTLE POOL

Vice President Joseph Biden listens to the reading of the names of the forty victims of the crash of Flight 93 at the Flight 93 National Memorial on September 11, 2012 near Shanksville, PA. This is the 11th anniversary of the terrorist attack against the United States. UPI/Archie Carpenter

Frances Mercado, left places a flower on the name of her sister, Myrna T. Maldonado-Agosto, who died during the Sept. 11 attack during the commemoration ceremony of the 11th Anniversary of September 11th by the North Pool at World Trade Center, on September 11, 2012 in New York City. UPI/Chang W. Lee/Pool

President Barack Obama flanked by Secretary of Defense Leon Panetta (L) commemorates the 11th anniversary of the 9-11 attacks during a ceremony at the Pentagon, on September, 11, 2012 in Arlington, Virginia. UPI/Olivier Douliery/Pool