(Josh Galemore | Arizona Daily Star via AP, file) In this Wednesday, June 10, 2020 photo, crew members with the Smokey Bear and Blue Ridge Hotshots talk near the Finger Rock Canyon trailhead as smoke billows from the Bighorn Fire in the distance, in Tucson, Ariz. Thousands of firefighters from across the U.S. are battling dozens of wildfires burning throughout the West this summer as they do an inherently dangerous job that now carries the additional risk of COVID-19 transmission.