A group procession of first responders walk toward the SunTrust Center in Richmond, Va., during the 2017 Richmond 9/11 Memorial Stair Climb, Sept. 10, 2017. A group comprised of Joint Base Andrews first responders and base leadership joined with hundreds of state and local community members to honor and remember New York Fire Department firefighters, police and emergency medical service personnel who selflessly gave their lives on Sept. 11, 2001. (U.S. Air Force photo by Airman 1st Class Gabrielle Spalding)

Participants of the 2017 Richmond 9/11 Memorial Stair Climb bow their heads in prayer before the 2017 Richmond 9/11 Memorial Stair Climb in downtown Richmond, Va., Sept. 10, 2017. Hundreds of first responders and local community members joined together to pay tribute to New York Fire Department firefighters, police and emergency medical service personnel who lost their lives on Sept. 11, 2001, by climbing the equivalent of the 110 stories of the World Trade Center in New York City. (U.S. Air Force photo by Airman 1st Class Gabrielle Spalding)

Participants of the 2017 Richmond 9/11 Memorial Stair Climb stand together during opening the ceremony at the SunTrust Center in Richmond, Va., Sept. 10, 2017. A group comprised of Joint Base Andrews first responders and base leadership joined with hundreds of state and local community members to honor and remember New York Fire Department firefighters, police and emergency medical services personnel who selflessly gave their lives on Sept. 11, 2001. (U.S. Air Force photo by Airman 1st Class Gabrielle Spalding)

Col. E. John Teichert, 11th Wing and Joint Base Andrews commander, walks toward a stairwell in the SunTrust Center during the 2017 Richmond 9/11 Memorial Stair Climb in Richmond, Va., Sept. 10, 2017. Hundreds of first responders and local community members joined together for the stair climb to honor New York Fire Department firefighters, police and emergency medical services personnel who lost their lives on Sept. 11, 2001, by climbing the equivalent of the 110 stories of the World Trade Center in New York City. (U.S. Air Force photo by Airman 1st Class Gabrielle Spalding)

Airmen stationed at Joint Base Andrews rest before making their final ascent to the 21st floor of the SunTrust Center, during the 2017 Richmond 9/11 Memorial Stair Climb in Richmond, Va., Sept. 10, 2017. Hundreds of first responders and local community members joined together for the stair climb to honor New York Fire Department firefighters, police and emergency medical services personnel who lost their lives on Sept. 11, 2001, by climbing the equivalent of the 110 stories of the World Trade Center in New York. (U.S. Air Force photo by Airman 1st Class Gabrielle Spalding)

A 2017 Richmond 9/11 Memorial Stair Climb participant carries a badge with a photo of Henry A. Miller, Jr., a first responder, at the SunTrust Center in Richmond, Va., Sept 10, 2017. Each stair climb participant carried a badge in tribute to a first responder who lost their life at the World Trade Center in New York City on Sept. 11, 2001. (U.S. Air Force photo by Airman 1st Class Gabrielle Spalding)

A fire bell sits under the American flag in downtown Richmond Va., Sept. 10, 2017. Hundreds of first responders and local community members joined together during the 2017 Richmond 9/11 Memorial Stair Climb to honor New York Fire Department firefighters, police and emergency medical service personnel who lost their lives on Sept. 11, 2001, by climbing the equivalent of the 110 stories of the World Trade Center in New York City. (U.S. Air Force photo by Airman 1st Class Gabrielle Spalding)

Children encourage Chief Master Sgt. Nathaniel Perry, 11th Wing command chief master sergeant, as he walks toward a stairwell in the SunTrust Center, during the 2017 Richmond 9/11 Memorial Stair Climb in Richmond, Va., Sept. 10, 2017. Hundreds of first responders and local community members joined together for the stair climb to pay tribute to New York Fire Department firefighters, police and emergency medical services personnel who lost their lives on Sept. 11, 2001, by climbing the equivalent of the 110 stories of the World Trade Center in New York. (U.S. Air Force photo by Airman 1st Class Gabrielle Spalding)

Members of the Joint Base Andrews community pose for a group photo during the 2017 Richmond 9/11 Memorial Stair Climb at the SunTrust Center in Richmond, Va., Sept. 10, 2017. They joined with hundreds of state and local community members to honor and remember New York Fire Department firefighters, police and emergency medical services personnel who selflessly gave their lives on Sept. 11, 2001. (U.S. Air Force photo by Airman 1st Class Gabrielle Spalding)

Col. E. John Teichert, 11th Wing and Joint Base Andrews commander, rings a fire bell as he says aloud the name of the first responder he was representing, during the 2017 Richmond 9/11 Memorial Stair Climb in Richmond, Va., Sept. 10, 2017. Each participant carried a badge displaying the name and photo of someone who lost their life in the attacks on Sept. 11, 2001. At the end of each climb, the participant would ring the bell three times, representing the end of the emergency and the return to quarters; a tradition which honors the firefighters who made the ultimate sacrifice. (U.S. Air Force photo by Airman 1st Class Gabrielle Spalding)