A Kestrel portable weather station is set up to monitor wind conditions at the site of a Marine Wing Headquarters Squadron 2 Chemical Biological Radiological Nuclear (CBRN) training exercise on Marine Corps Air Station Cherry Point, N.C., Jan. 22, 2015. CBRN Marines practiced reconnaissance and extraction scenarios designed to simulate real life situations with hazardous materials. (U.S. Marine Corps photo by Lance Cpl. Jodson B. Graves/Released)