They were the ‘unsung heroes’ of firefighting. Their deaths mark a grim milestone for the new wildland fire service

CNN By Chelsea Bailey, TuAnh Dam, Alex Stambaugh, Julianna Bragg, CNN (CNN) — Everything changed in a matter of minutes. The wildland firefighters assigned to the Rifle County, Colorado, Helitack crew were among the first to arrive at the Knowles Fire Saturday, as the fast-moving blaze scorched the state’s western border. As the crew began