Senior Airman Nicklaus Young an aerospace medical technician with the Detachment 1, 154th Medical Group, dons his gas mask at a Medical Capabilities exercise held in North Las Vegas, Jan. 27, 2018. During the exercise Air National Guard medical units from Hawaii, California, and Nevada practiced the skills and procedures needed during a coordinated emergency response involving the FEMA region 9 partners. (U.S. Air National Guard photo by Senior Airman Orlando Corpuz)