FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium

Firefighters start to walk during the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015. The event benefitted the National Fallen Firefighter Foundation and remembering the firefighters lost in the World Trade Center attacks.

Ryan Brotherton, from Sandusky, Ohio, caries a "Flag of Heroes," helped by Ryan Shotsburg from Detroit, Mich., during the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015.

Firefighters from all over the world, including Ontario, Canada, participated in the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015.

Firefighters walk up and down stairs at the top of the stadium, during the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015. The event benefited the National Fallen Firefighter Foundation and remembering the firefighters lost in the World Trade Center attacks.

A bronze "statue" of a firefighter stands tall before the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015. The person acting as the statue moved occasionally. The event benefited the National Fallen Firefighter Foundation and remembering the firefighters lost in the World Trade Center attacks.

The procession of firefighters begins for the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015, including Bobby Halton, center, education director for the FDIC who spoke at the ceremony before the climb.

Firefighters walk together starting the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015.

Every person participating during the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015, walked for a fallen firefighter, and wore their photo in remembrance. The event benefited the National Fallen Firefighter Foundation and remembering the firefighters lost in the World Trade Center attacks.

Firefighter EMT Dave Holley looks at the photo of fallen firefighter Vincent Halloran, for whom he walked during the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015.

Firefighters walk in line to the stairs for the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015.

People photograph the procession of firefighters starting the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015. The event benefited the National Fallen Firefighter Foundation and remembering the firefighters lost in the World Trade Center attacks.

Blake Barker, Kilroy, Texas, holds the photo of the fallen firefighter John Bergin as he walks for during the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015.

Cicero firefighter Matthew Alfred wears the photo of a fallen firefighter on his helmet as he listens to speakers before the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015.

Firefighter EMT Corey McGhee salutes during the Tribute to the U.S. before the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015.

Eagle Fire Department firefighter Bret Dulin thinks about the person whose picture he wears on his helmet, a fallen firefighter, as he listens to speakers before the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015.

A bronze "statue" of a firefighter stands tall with the color guard before the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015.

Participants look up at the tall stadium as the start the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015.

Eagle Fire Department firefighter Bret Dulin wears the photo of a fallen firefighter on his helmet as he listens to speakers before the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015.

Firefighters wind through Lucas Oil Stadium during the FDIC Memorial Firefighter Stair Climb, Friday, April 24, 2015. The event benefited the National Fallen Firefighter Foundation and remembering the firefighters lost in the World Trade Center attacks.

Levi Dixon, 3, whose father and aunt are members of the Liberty Township in Hendricks Co. fire department, gives high fives to firefighters as they walk by during the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015. His aunt did the climb, and his father is the chief of the Fire Department of Liberty Township in Hendricks County.

Levi Dixon, 3, whose father and aunt are members of the Liberty Township in Hendricks Co. fire department, gives high fives to firefighters as they walk by during the FDIC Memorial Firefighter Stair Climb at Lucas Oil Stadium, Friday, April 24, 2015. His aunt did the climb, and his father is the chief of the Fire Department of Liberty Township in Hendricks County.