Hazmat Help Air Force Master Sgt. Tawsha Bricker helps Airman 1st Class Joshua Crenshaw test hazmat equipment during an emergency medical response exercise at Joint Base San Antonio, May 19, 2019. SHARE: Download: Full Size (1.62 MB) Tags: Air Force, training Credit: Air National Guard Staff Sgt. Derek Davis VIRIN: 190519-Z-DL828-238.JPG Photo Gallery