Chrome-like cigar w/ wings, quiet, low flying in unusual flight pattern, with no identification markings.Sitting on balconey @ approx 17:00 hrs. on 06/09/02 saw a low flying, very quiet, cigar shaped object with wings. Especially unusual: 1. Made no sound while passing over head, but had a low hum after passing 2. Direction: straight South to North. 3. Very shiny as chrome in the sun. 4. NO markings, numbers, or any other identification of any kind. 4. Very low flying, much lower than even most private aircraft. 5. Watched as object very slowly moved North, then through a cloud, reappeared, then went through a larger cloud and NEVER appeared again.Have never seen an object like this in size, shape, color, flight pattern, etc. Do live by an Air Force base and commercial airport, but still have never seen anything like this. This is the first time that I have ever reported a sighting of an unexplained object in the sky. I was moved to report this as it was so very unusual. So...a military aircraft or other man made object?