U.S. Navy Petty Officer 1st Class Richard Johnson, incident analysis cell noncommissioned officer in charge, Joint Task Force Civil Support, explains the importance of a gas mask to George Wallace, Hampton city mayor, during a visit of local mayors and city representatives here May 1, 2014. The purpose of the visit was to inform local city officials of JTF-CS capabilities during a natural or man-made disaster. The visit included an information brief and a tour of JTF-CS headquarters building and demonstrations of response equipment. JTF-CS anticipates, plans and prepares for chemical biological, radiological and nuclear Defense Support to Civil Authorities response operations. (Official DOD photo by U.S. Navy Petty Officer 1st Class Brian Dietrick)