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1Geophysical MASINT — is a branch of Measurement and Signature Intelligence (MASINT) that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and… …
2Signals intelligence in modern history — This article is a subset article of the article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with signals intelligence in the… …
3Air Force reports on the Roswell UFO incident — The two Air Force reports on the Roswell UFO incident, published in 1994/5 and 1997, form the basis for much of the skeptical explanation for the 1947 incident, the purported recovery of aliens and their craft from the vicinity of Roswell, New… …
