Airman 1st Class Michelle Medina, a 28th Logistics Readiness Squadron fuels facility operator, unravels a hose during the Firefighter Challenge at Ellsworth Air Force Base, S.D., Oct. 5, 2018. The challenge was one many events hosted by the 28th Civil Engineer Squadron fire protection flight during National Fire Prevention and Safety Week. (U.S. Air Force photo by Airman 1st Class Thomas Karol)