Well, I'm a First Aid and CPR instructor, and Wilderness First Aid instructor, with Saint John Ambulance of Canada. I'm going to start a 10-day Advanced First Aid (aka Emergency Medical Responder) course in December, and I'm a Ham Radio operator (VA6UE). I'm also the superintendent of a Saint John Ambulance Brigade (volunteer) division, which provides first aid support to community events, and we have our own emergency/disaster response team of which I am a member. (Three of our youth members volunteered to act as casualties for the simulated MCI that was held at Calgary International Airport earlier this year; as they were all members of their high school drama society, they not only got the day off school, but they got school credit for their work.)

I was a member of the local branch of ARES (Amateur Radio Emergency Services) lasr year but I was dissatisfied with the way the organisation was run, so I didn't renew my membership this year.
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"The mind is not a vessel to be filled but a fire to be kindled."
-Plutarch