Getting involved in Amateur Radio can give you a unique way to help out during emergencies or other event which require civilian help.
The Amateur Radio Emergency Service (ARES)
AuxComm (Auxiliary Communicator)
EmComm-Training.org
Maritime Mobile Service Net (MMSN)
Radio Relay International (RRI)
Neighborhood Hamwatch
Radio Emergency Associated Communication Teams (REACT)
Military Auxiliary Radio System (MARS)
National Traffic System (NTS)
Radio Amateur Civil Emergency Service (RACES)
Radio Emergency Associated Communication Teams (REACT)
Salvation Army Team Emergency Radio Network (SATERN)
Skywarn