Senior Airman Seth L. Schoenfeld, left, Readiness and Emergency Management Flight, 108th Civil Engineer Squadron, 108th Wing, checks to see if Airmen have properly donned their M50 joint service general purpose masks and mission-oriented protective posture gear during the Wing’s Expeditionary Skills Rodeo at Joint Base McGuire-Dix-Lakehurst, N.J., March 7, 2015. In addition, they trained on their ability to survive and operate in a chemical, biological, radiological and nuclear environment. These skills make up the foundation necessary for all Airmen to function effectively in hostile environments. (U.S. Air National Guard photo by Master Sgt. Mark C. Olsen/Released)