Sgt. Luis Collazo carries the flag as U.S. troops participate in a flag-lowering ceremony at Bagram air base in Afghanistan. U.S. forces have been stationed in the country for almost a year as they continue to hunt for Al Qaeda members, who used it as a training area. (RICK LOOMIS / LAT)
Madalyn Taylor, left, Ryan Smith and Tatum Burroghs, fifth-graders at Kerr Elementary School in Bossier City, La., are among 350 children gathered on the playground to pray for victims of the Sept. 11 terrorist attacks. (MARIO VILLAFUERTE / Getty Images)
Sgt. Brandon Green of the U.S. Special Operations Forces raises the U.S. flag to half mast at an afternoon memorial ceremony in Orgun-e, Afghanistan. (CHRIS HONDROS / Getty Images)
Soldiers at Bagram air base in Afghanistan salute the flag during a memorial service for those killed last Sept. 11. (RICK LOOMIS / LAT)
Firefighters at the Rescue 5 firehouse in Staten Island hold a candlelight prayer service for their fallen colleagues. (GARY FRIEDMAN / LAT)
Mourners gather around the site of the former Wrold Trade Center for a memorial service Sept. 11. (JOSE JIMENEZ/Getty Images)
Eric Crabill of Hollywood, Maryland, waves an American flag near the Pentagon on the morning of the anniversary of the September 11th attacks. (TYRONE TURNER / For The Times)
Jennifer Fetzer, 12, at left, cries next to her fellow seventh grader Chloe Hedden, 12, during the reading of names of rescue workers who died on Sept. 11, 2001. The ceremony was held at the Tijeras Fire Department in New Mexico. (RICK SCIBELLI / Getty Images)
A woman holds a flag, Rosary and a program during a September 11 at Daley Plaza in downtown Chicago. (TIM BOYLE / Getty Images)
Hector Rosario, right, and the rest of the Puerto Rico Urban Search and Rescue Task Force (PRUSRTF) stand solemnly after being honored by the Puerto Rican community in Spanish Harlem. The force was honored for their effort during the rescue efforts. (JOSE JIMENEZ / Getty Images)
Members of the Congress observe a moment of silence during an event commemorating the first anniversary of the Sept. 11 terrorist attacks. (ALEX WONG / Getty Images)
President Bush salutes as he walks with First Lady Laura Bush past a ceremonial guard upon entering Ground Zero September 11, 2002 in New York City. (MARK MAINZ / Getty Images)
Children observe a memorial service at the World Trade Center site from inside Brooklyn’s Engine 228. (JOSE JIMENEZ / Getty Images)
Members of the Congress sing “God Bless America” on Capitol Hill in Washington, D.C. (ALEX WONG / Getty Images)
People hold a candlelight vigil in Chesapeake Beach, Maryland. (MARK WILSON / Getty Images)
A police officer at Ground Zero during the World Trade Center memorial service. (SPENCER PLATT / Getty Images)
Catholic University students comfort each other during a candlelight vigil in Washington, D.C. (ALEX WONG / Getty Images )
