Very possible. All this steath technology is coming from somewhere.
True story. In 1965 I was about 20 and a bunch of us were sitting around a gas station in Pennsylvania where a buddy worked. One of the guys comes in and says a UFO has crashed near where we lived. Being curious kids, four of us piled into a car and went to investigate.
When we got near the area where this was supposed to have happened there were people all over the place, and the Army was there keeping people out. We tried to sneak around the roadblock and a Soldier told us in no uncertain terms we would be shot if we tried to get through.
They were very serious and escorted us out.
The next day several large trailer trucks with cargo covered by tarps left the area under strict Military supervision and protection. That was the last we heard of any of it. Here is an article I found on line about that night.
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An object landed in the tiny town of Kecksburg, PA on December 9, 1965. It was observed as a fireball in the sky across several U.S. states and Canada. Four witnesses have provided independent, corroborated descriptions of the object and its location in the Kecksburg woods. Dozens of others - including fire fighters, newspaper reporters, and a news director at radio station WHJB who was on the scene taping interviews - describe the military presence at the crash site, the cordoning off of the area, and the retrieval of an object transported by an army truck. Many witnesses have provided signed affidavits for investigator Stan Gordon, who has been working on the case for over three decades.
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So, do I believe in Aliens? YEP!!
Don