I have always said that our military and government are using the idea of UFO's to get other countries to think perhaps we have such recovered tech. The goal of a bluffer is always get you to think maybe they have something you don't know about.
You can see the Duping Delight, they are playing a game and in light of an article saying Israel and USA are about to hit Iran nuke sites, this likely a parade for the powers that be.
