U.S. Army Sgt. Mauricio Caceres and Sgt. Cory Sweetman descend from an aircraft during an exercise at Atlantic City International Airport, N.J., Nov. 7, 2018. Caceres and Sweetman are with the 21st Weapons of Mass Destruction-Civil Support Team (21st WMD-CST), New Jersey National Guard.


Watch footage of how U.S. Military personnel train for an attack using a weapon of mass destruction below: