@roger,
Don't worry: We worked with nukes to load on B36s, B47s and B52s. Also, there are so many safety features to them, it's impossible to have an accidental implosion. When I earned my E4 grade (in 18 months), I was team leader. The squadron commander at Walker AFB promised me another stripe if I reupted, but one of the happiest day of my life was when I bussed out of the base for the very last time. I wouldn't have stayed in the air force even if he promised me two more stripes!
I just picked up two t-shirts with the patch I designed while stationed at Walker AFB on it. Let me know what you think.
You can find the patch at ericsusafpatches.nl.