Readers ask things too long to be addressed in the comments; answers follow below.
I admire the energy, enthusiasm and interest shown, but I don't share them. We The People of Planet Earth have not collectively shown our alien ET cousins good enough reason to interact with us, independently of &/or around the governments WE CREATE.
Trump Hate is not solved by witch hunts, hissy fits, violence and threats of removal. Get him out the way he got in; "win the election". Alien extraterrestrial "uforia" is not going to get what "gubmints" know and conceal out into the open; demand it from one or several national political candidates, make certain they know their selection to office depends in a material way upon disclosure of what is known.
I will star in a Broadway ballerina production before this happens. Waiting for a government official to reveal secrets which give them power & money whilst hidden?
RQ1: Does The U.S. government already know how all of these crafts work by now, 3 decades later, OR are the still trying to find out?
C: Some functions and technologies are understood, others are not yet.
RQ2: The alien ships come from the same world Zeta Reticuli where the U.S. government had that exchange program with. 2a: What is the status of the program? 2b: Is there still contact with those Aliens and are there still humans on their planet?
C: 2a: Humans may proceed at any time, however the exchanges have halted. Humans wanted technologies to gain military advantage, to use this for eventual, short term profits and in all cases as much sustained profit, by amount and time extended, as possible. This was denied; the visitors wanted other things from humans, and humans' thoughts were read. Soon humans having their thoughts interpreted understood this, searched for moles and turncoats but realized that no spies, double agents or double crossers were involved. This stalled and halted the process; humans are not prepared to deal openly and with transparency.
2b: Yes; yes but mostly aboard their ships & vessels.
RQ3: Was there a hidden agenda from the Zeta Reticuli side to setup contact with earth?
C: No. They hid nothing, humans attempted to but failed at this. Humans have not provided what was wanted and have not been given the possible technologies or information.
RQ4: Are we using technology today as consumers that came from aliens?
C: Yes, and not from just one civilization. Integrated circuits, carbon fiber, Kevlar and lasers are but a few examples.
RQ5: After the Joe Rogan podcast almost every major news site in the word picked this story up because there was announced a big face book event to storm Area 51 on 20 September of this year.
More than 3 million people said that they were going.
5a: Is something like this going to happen?OR
5b: Is there gonna come some form of Disclosure on Area 51/S4 and Alien contact?
C: 5a: No. There will be a gathering near the restricted outer perimeter but no incursion or intrusion into the area which might reveal anything the seekers wish to find.
5b: Disclosure or revelation, from either USA government agents or alien ET visitors?
RQ6: Did the aliens explain to the scientists and train pilots how to operate the UFOs when they gifted them (including the holographic computer)? Apparently the Area-51 pilots were testing the UFOs quite efficiently and knew how to fly them.
C: Yes, to the extent the craft are allowed to function.
RQ7: Did the pilots use joysticks or other controls to fly the UFOs? Somewhere I read that aliens use mental interface to fly UFOs using their thoughts
C: Yes, however the spacecraft were adapted to allow both physical and mental control for humans.
RQ8: Apart from USA, are there any UFOs in the possession of other countries?
C: Yes. This aspect is not material, as the items are inspected by representatives of all friendly nations.
RQ9: Since the gravity produced is strong enough to bend light around the craft, wouldn't it cause the effects described by Einstein's theory of general relativity like "time dilation" or slowing down of time?
If so, has anyone in Area-51 observed any difference in the time shown by the clocks worn by the pilot as compared to that worn by someone not on the craft?
C: Yes; no. Velocities which might cause this have not been achieved to affect humans, with these spacecraft.
RQ10: Since US Military has got a few UFOs of their own, what is the need for having UFO monitoring programmes like Advanced Aerospace Threat Identification Program (AATIP) etc. in 2007? They obviously know for a long time that these are not threats.
C: There are so many alien ET civilizations and craft from them, a few samples from just one are no justification to end or avoid a program to monitor the situation and phenomena in general, where dozens and dozens are present in some form or degree.