FREEHOLD, NEW JERSEY-- New York Army National Guard Sgt. William Liu, right,a member of the 24th Weapons of Mass Destruction-Civil Support Team New York National Guard assists Staff Sgt. Mauricio Caceres, assigned to the survey team of the 21st Weapons of Mass Destruction-Civil Support Team of the New Jersey National Guard, into his Level A Protective Suit during an Army North-mandated training proficiency evaluation at the Monmouth County Sheriff Situational Training and Response Simulator Facility Freehold New Jersey Nov. 1 2022. The 24th CST, which is based at Fort Hamilton in New York City was assisting the 21st CST in their evaluation. CSTs identify chemical biological radiological and nuclear substances; assesses and advises civil authorities on response measures to man-made or natural disasters.