Geared for defense
Senior Airman Zachary Lutes, 374th Civil Engineer Squadron emergency management journeyman, instructs Airmen concerning chemical detection paper during a Chemical, Biological, Radiological, Nuclear and Explosives defense survival skills refresher course at Yokota Air Base, Japan, Sept. 29, 2015. The CBRNE defense survival skills course takes personnel through the procedures of donning chemical resistant gear, identifying and securing unexploded ordnance and using chemical detection paper to locate and identify chemical attacks. (U.S. Air Force Photo by Airman 1st Class Elizabeth Baker/Released)