Joint service fire protection students of the 312th Training Squadron command a spraying water hose as they flex their classroom knowledge in the field during their grade level interior fire training exercise at the Louis F. Garland Department of Defense Fire Academy on Goodfellow Air Force Base, Texas, Dec. 10, 2020. The 312th TRS students participated in hands-on training and used the “buddy system,” to control unpredictable visibility challenges presented in their educational environment. (U.S. Air Force photo by Senior Airman Abbey Rieves)