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)