So in the 4th episode, Lieutenant Graves described seeing those white orb things as well as the gyroscope looking thing in the Gimbal video.
Could it be that the orb things are actually the black triangle lights shown in the below video?
Could it also be that the black triangles are ours, while the gyroscope thing is someone else's, and our black triangles were investigating the gyroscope thing?
Based on the Sekret Machines book and everything that has been coming out so far, that's the best I can come up with regarding all of this.
And before you say Tom is batshit