Never looked like anything other than a distant jet to me.
--as an aside to this , relating to stuff in the sky, in the summer of 1949 , my dad and I (on the farm in SW Wisconsin) were suprised to see a pattern of streaks going across the sky, unlike anything we had ever seen. My dad ( who had fantastic vision) could make out a large plane at the front of each streak, which upon closer examination with my 3-power field glasses could be seen to have 6 engines , plus jet pack at the end of the wings--we had seen a flight of B-36's--
--next day , the Dubuque, IA Telegraph-Herald had a story about " unidentified strange objects flying over--I've had a great skepticism about media stuff such as this ever since--