Emergency response training
Kent Gardner, left, a hazardous materials training manager with the Texas A&M Engineering Extension Service, instructs a U.S. Airman assigned to the California National Guard’s Homeland Response Force (HRF) with a self contained breathing apparatus at Naval Base Coronado, Calif., May 21, 2013. More than 100 Airmen from the Missouri and California National Guard’s HRF received emergency response training on natural disasters and domestic terrorist attacks. (U.S. Air National Guard photo by Tech. Sgt. Michael Crane/Released)