Senior Airman Chanel Holm, 647th Security Forces Squadron patrolman, checks M8 paper during a chemical, biological, radiological, and nuclear readiness class during a readiness exercise, at Base X on Joint Base Pearl Harbor-Hickam, Hawaii, July 6, 2017. CBRNE training is a requirement for deployment preparation. The training teaches service members how to operate in a chemical environment. (U.S. Air Force photo by Tech. Sgt. Heather Redman)