“Right now, the response force requirement will be an enduring mission. How the [Defense Department] chooses to source that and whether or not they continue to assign them to NorthCom, that could change in the future,” said Army Col. Louis Vogler, chief of NorthCom future operations. “Now, the plan is to assign a force every year.”
...
They may be called upon to help with civil unrest and crowd control or to deal with potentially horrific scenarios such as massive poisoning and chaos in response to a chemical, biological, radiological, nuclear or high-yield explosive, or CBRNE, attack.