Aaron Showalter

• New York Police, Fire and Port Authority officers salute during the singing of the Star-Spangled Banner during the tenth anniversary ceremonies at the site of the World Trade Center September 11, 2011, in New York.
• Family members of those lost on 9/11 entered the Memorial Plaza, the space's official opening, during tenth anniversary ceremonies at the site of the World Trade Center September 11, 2011, in New York.
• Families sought out their fallen loved ones' names engraved in the edges of the reflecting pools of Memorial Plaza during tenth anniversary ceremonies at the site of the World Trade Center September 11, 2011, in New York.
  A close friend of Lt. Steven J. Bates, a firefighter with Engine 235, places a button with a photo of his fallen comrade near the engraving of his name.
• Family members of those lost on 9/11 embrace after entering the 9/11 Memorial Plaza September 11, 2011, in New York. The space officially opened for the tenth anniversary ceremonies at the site of the World Trade Center.
• New York Police officers stand at attention during the tenth anniversary ceremonies at the World Trade Center memorial site September 11, 2011, in New York.
• Family members of those lost on 9/11 gather around the south pool of the memorial during tenth anniversary ceremonies at the site of the World Trade Center September 11, 2011, in New York.
• 9-year-old August Larsen makes a crayon rubbing of his father Scott Larsen's name from its engraving on the edge of the south pool. Scott worked as a firefighter at Ladder 15 on 9/11, but never met his son August, who was born just a few days after Scott's death.
• New York City Fire Department members talk as they visit one of the pool memorials for those lost during 9/11 during the 10th anniversary of the attacks Sunday, September 11, 2011.
• Members of police, fire and other departments took time to remember those lost on 9/11 when they visited the memorial for the first time when it opened September 11, 2011, the tenth anniversary of the attacks.
• Sandra Davis made a rubbing of her brother Clinton Davis' name from the edge of the south pool during tenth anniversary ceremonies at the site of the World Trade Center September 11, 2011, in New York. Clinton Davis was a Port Authority officer killed on 9/11.
• Family members of those lost on 9/11 entered the Memorial Plaza, the space's official opening, during tenth anniversary ceremonies at the site of the World Trade Center September 11, 2011, in New York.
• Family members of those lost on 9/11 entered the Memorial Plaza, the space's official opening, during tenth anniversary ceremonies at the site of the World Trade Center September 11, 2011, in New York.
• Family members of those lost on 9/11 entered the Memorial Plaza, the space's official opening, during tenth anniversary ceremonies at the site of the World Trade Center September 11, 2011, in New York.
• Families sought out their fallen loved ones' names engraved in the edges of the reflecting pools of Memorial Plaza during tenth anniversary ceremonies at the site of the World Trade Center September 11, 2011, in New York.
  Bobby Strafer, of Batalion 23, makes a rubbing of his friend Samuel Oitice's name from its engraving on the edge of the south pool.