Frequently Asked Questions about Emergency Services - ARRL - American Radio Relay League
http://www.arrl.org/FandES/field/regulations/faq-ares-races.html

Links to RACES/ARES Nationwide
http://www.qsl.net/races/links.html

State ARRL Website
http://www.az-arrl.org/web/

Pinal County RACES
http://www.pcecg.org/

Pima County RACES - Radio Amateur Civil Emergency Service, become a volunteer in being a Civil Servant through Amateur Radio
http://pcraces.org

Tucson Citizens Corp - CERT
http://tucsoncert.org