I've said for years that the best rans in the military were E-4 and O-4. I've been both and had just as much fun in one as the other. O-4 is better paid, and you have to be a bit more discrete when you are
stealing taking care of the soldiers.
During Desert Storm, there was one bird colonel who thought I could do no wrong, because shit he wanted just magically appeared. I didn't tell him how badly the regulations had been skirted sometimes.