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National UFO Reporting Center
Sighting Report
Occurred : 4/18/2017 01:00 (Entered as : 04/18/17 01:00)
Reported: 4/19/2017 5:14:56 AM 05:14
Posted: 4/20/2017
Location: Sherman Oaks, CA
Shape: Triangle
Duration:30 seconds
Silent aircraft flying in formation at night without nav lights.

Co-worker glanced upward and was staring into the sky. Asked myself and another co-worker "what are those up there?".

Myself and second co worker look straight upward and see slow flying formation of dark triangular silhouette of high altitude aircraft against the backdrop of clouds and open sky.

The aircraft were very fluid in their flight and were without any lights as well as being perfectly silent.

At seeing the first craft before noticing the others, my initial thought was that it was a large gas filled balloon, or perhaps a trash bag caught in the jetstream, but upon noticing others, I was able to make out a very noticeable triangular delta shape to each craft silhouette in contrast to the sky.

These were definitely not birds or any natural animal but some sort of craft flying silently and without any navigational lighting or other illumination. My guess is military stealth possible electric propulsion.

((NUFORC Note: Source of the report elects to remain totally anonymous; provides no contact information. PD))