Jeffrey Horneman, left, a volunteer blackbelt Taekwondo instructor, holds a board during Josie Corbin’s martial arts test at a church in Brackenridge, Pennsylvania, Dec. 9, 2024. Jeffrey Horneman works for the U.S. Army Corps of Engineers Pittsburgh District as the deputy chief of the real estate office. Horneman has volunteered to provide free Taekwondo classes to youth through a martial arts nonprofit for the last 20 years. He has taught students as young as three years old. His classes have produced 12 black belts. (U.S. Army Corps of Engineers Pittsburgh District photo by Michel Sauret)