Geared for defense
Airman 1st Class Chelsea Asteriadis, 374th Civil Engineer Squadron emergency management apprentice, shows Airmen how to properly don their chemical gear during a Chemical, Biological, Radiological, Nuclear and Explosives defense survival skills refresher course at Yokota Air Base, Japan, Sept. 29, 2015. Part of Asteriadis’ job is to teach Airmen how to keep themselves safe by donning gear correctly and preventing leaks. (U.S. Air Force Photo by Airman 1st Class Elizabeth Baker/Released)