CERT team members in action. Note the CERT Incident Commander's helmet (middle) has a silver "x" to indicate his rank; here, IC Greg Hom (University City CERT) looks on as Operations team leaders move into gear. Left to right: Tierrasanta CERT's John Blair and Fran Sperow, Greg Hom, Larry Worthen – Tierrasanta CERT, Johnnie Perkins – Navajo CERT.