New York Army National Guard Staff Sgt. Anthony Zegarelli checks the personal protective equipment on Sgt. David Hansen prior to entering a vacant residential building at the Colonie Fire Training Center in Latham, Oct. 20. The 2st CST members are training at the Center to improve and test their team's ability to rapidly detect and identify chemical, biological, radiological or nuclear (CBRN) hazardous and respond to these threats. (Photo by US Army National Guard Sgt. Major Corine Lombardo)

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