Originally Posted by Gearjerk

Some people have attached the stereotype of "no-fly list" guys to those who wear long-sleeve shirts in the summer. In all reality, some guys may just wear long sleeve shirts, all year round, to ensure an added protection against the sun and harmful UV rays at altitude. (Or they're being polite by covering up a picture of a naked girl tattoo they received while in the Army or Marines. Doesn't apply to Navy types.)

GJ