triangular shape over Georgetown, early 1980's

I can't remember the exact year that I saw the craft, I do remember that I was at least 8 or 9 years old, so I'm guessing it was around 1981-82.
I remember standing at the end of our driveway waiting on the school bus.  It was early, 6:30ish, I also remember that it was overcast outside, whether it was cloud cover or fog, I do not know.  The weather was mild, maybe spring or early fall.
I remember looking up for some reason or other and seeing "something" in the sky hovering no more than a few feet over the trees.  It was almost like it was using the clouds or fog as a camouflage.  I never heard any sounds or felt any breeze or wind from any aircraft type vehicle.  The aircraft that I saw was shaped like a rounded triangle with red and blue lights, I can not remember if they were flashing or solid.  The color of the entire thing was silver, not like stainless, more of a brushed nickle color.
Being that I was a young child at the time, I was terrified and ran back into my house to get my Grandmother.  By the time we got back outside so I could show her what I saw, it was gone.
My mom's house is no where near any Air force bases or airports, so it couldn't be passed off as any type of experimental airplane.
I haven't seen anything like that since that day.  Although my children have often told me of unusual things they see in the sky.
Date is unknown.  Source indicates both early '80's, and the early '90's.  We have applied an arbitrary date above.  PD