Better pay!
Better conditions.
No parades.
Don't have to shave or worry about haircuts.
Don't have to worry about Officers/NCO's with grudges.
Airlines are run by accountants, but the airforce is run by politicians I'll let you work out who is worse.
I actually think OH&S is stricter in civie street, perhaps even goes too far.
Had a great time in the mob, but at sometime you have to grow up and leave the sheltered workshop.