We seen the same lights

[guohua]

That is what we think happened, they dropped out for a little while to check their location or to just let Earthlings know we are not alone.

But,,, you need to think about the SSF (Secret Space Force) which is well documented we have with other aliens.

If you have not heard of the SSF you might try: 

Gary McKinnon reveals detail on NASA data breach and ‘extraterrestrial life’
Source

'UFO Hacker' Tells What He Found

The search for proof of the existence of UFOs landed Gary McKinnon in a world of trouble. After allegedly hacking into NASA websites — where he says he found images of what looked like extraterrestrial spaceships
Link

I-Team: Hacker says U.S. military has secret space program besides NASA
Link 1

Hackers Expose Government UFO Research
Link 2

Just a few.