Who flew the craft at S4?!

Does anyone have any excerpts from Bob Lazar interviews that goes into more detail about HOW these craft were "test-flown"? It seems like it was a regular weekly event, but I do not feel this was elaborated on enough. Do the crafts fly themselves in an automated way? Due to the height inside not being so compatible with average human size, how were humans flying them?! Do they respond to consciousness? Why do they always come back to the hangar if automated vs. returning to their origin? I ma...