These days our skies are full of unknown objects, but many of them are known to people who are simply keeping quiet because of classification rules. These two lights, for example, could be very high altitude planes flying in formation. These would not be known aircraft, and why they would be showing lights at all isn’t clear. The preponderance of evidence that these are genuine unknown.

Story Source:
http://www.openminds.tv/night-vision-ufo-video-captured-phoenix-area-mufon-sky-watch/25401