Casper Firefighters Holding Annual Stair Climb to Honor 9/11 Victims and Local Fallen HeroesCasper Firefighters Holding Annual Stair Climb to Honor 9/11 Victims and Local Fallen HeroesCasper firefighters are holding their annual 9/11 remembrance stair climb on Sunday, September 11, 2022. Nick PerkinsNick Perkins