GULFPORT, Mississippi (October 17, 2017) Utilitiesman 1st Class Michael Selvera, from Harlingen, Texas, trains Seabees assigned to Naval Mobile Construction Battalion 1on the chemical, biological and radiological (CBR) training suit during a CBR training drill on board Naval Construction Battalion Center Gulfport, Mississippi, October 17, 2017. Training was conducted to familiarize Sailors with CBR gear in preparation for an upcoming deployment readiness certification. (U.S. Navy photo by Builder 3rd Class Alexa Trafton)