"When you tihnk of the friendly skies, you think of the people you see - pretty stewardesses, handsome pilots, helpful skycaps.      But there's more of us serving you than meets the eye.  Next time you get on a United Jet, take a look out the window.  You'll probably spot a few of us.      Fueling the plane.      Loading the bags.      Directing the plane to the runway.      Checking and double-checking everything.      It takes a lot of skilled ground crewmen to make your flight an enjoyable experience.  And it's a big responsibility.      But after all, that's where the friendly skies get their start."