Know of that analysis video that SpitfireX refers to?
Shows pretty much the same theory; an engine had hit a light pole, started smoking, and thus left the trail which we see as the white blob. The plane itself is indistinct due to it's speed.

Isn't that white thing what David C calls the nose of a fighter?
If so, then all this time he's literally been blowing smoke.

__________________
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And these atomic bombs that science burst upon the world that night were strange even to the men that used them.
- H.G Wells, The World Set Free

To the conspiracy crowd, radiation is a big Boogey Man that inspires terror and death in all who encounter it. - JayUtah