This event took place recently when the residents of Los Angeles witnessed an unidentified flying object, a large sphere in the sky above the city.
As we can see in the video below obtained from different witnesses, three black military helicopters appeared fast, watching the mysterious flying object. A similar event took place in Los Angeles on August 27, 2017, when a spherical flying object appeared in the sky
Many ufologists say that Aliens are on Earth, and the US military reacts fast to the appearance of these beings from other planets, trying to watch them and to bring them down.
Witnesses reported that the spherical flying object disappeared and the helicopters left away, but this is not captured in the video, so the skeptics have the right to do not believe this statement. Ufologists explain to us that alien space ships visit our planet mostly in delicate moments of humanity, and the military fears and prefer to simply watch them.