Members of the University of Arizona Air Force ROTC March past the viewing stand outside Tucson City Hall on Alameda Street during the 99th Tucson Veterans Day Parade on November 12, 2018 in Tucson, AZ. The theme this year was “Celebration of Armistice Day.”

According to the 2017 U.S. Census Bureau survey, there were 18.2 million military veterans in the United States.