What Allen says abot covers it from my perspective. I must also add however, that I do love the adrenalin rush and the chance however slight, that if I don't do my part, I can lose for keeps.
It's the closest thing I've found to night catapult lauches and landings as well as the wisful puffs of AAA drifting across your windscreen. Like Winston Churchill once said, nothing in life is more exilirating than to be shot at (we can insert bite, stomped or gored here) and missed! jorge