Let's not forget the "smoke jumpers". They are part time and make very little. I had the opportunity to tour the facility at Moezula, Montana. The fellow was fantastic. He was killed in a blow back about a month later. This was about 20 years ago.
My wife and I got the Trusted Traveler card because she has been stopped by the TSA numerous times. She has had everything but a cavity search. She is 75 years old and 104 pounds. A 3 cell flash light behind her would reveal all they needed to see.
Walt Amrein