180926-F-UE704-1450
Thomas Lennon, Grissom Fire Department firefighter, and William Ralstin, Grissom Fire Department captain, prepare to enter the Smokehouse, a fire training simulator at Grissom Air Reserve Base, Ind., Sept. 26, 2018. Grissom firefighters train in the Smokehouse frequently to practice putting out fire and rescuing victims while in a controlled, monitored environment. (U.S. Air Force photo / Senior Airman Harrison Withrow)