overflight of strange (stealth) craft

I was stargazing with my Scout troop, at the local high school. We were observing constellations that were visible. It was a very clear night. I began scanning the sky for sattelites as I had seen one the previous summer. I saw an object in the sky travelling east to west overhead. The object was difficult to see as it was black against the night sky. It was a thick chevron type shape, visible in silloette and left a vapor trail behind it. there was a slight orange glow at the rear (I assume) of the craft that was emitting the trail. I attempted to point out the object to my fellow Scouts and my Scout Leaders, but no one else was able to pick it out of the sky. The Scout leaders called me a liar so I shut up about it. I would estimate that I was seeing a sizable object at an altitude comparable to that of commercial jets. In later years I was struck by the similarity of what I had seen to the shape of the B2 stealth bomber, although the craft I saw was bulkier looking.
Date is approximate.  PD