Edgar Rothshild Fouche was a UFO researcher who published a lot on ARVs, and propulsion etc. He passed away on 10 May 2017.
For over 25 years, he was involved with the Department of Defense (DoD) in one way or another. After that, he started his own media company, called Fouche Media.
While at the DoD, he filled positions as Major Command Liaison, Headquarters manager, and DoD factory representative for TAC, SAC, ATC, and PACAF following the Vietnam war. Later in his career, as a manager of defense contractors, he dealt with classified "black" programs developing state-of-the-art Electronics, Avionics, and Automatic Test Equipment..
He was considered an Air Force expert with classified electronics counter-measures test equipment, crypto-logical equipment owned by the National Security Agency, and Automatic Test Equipment. He worked with many of the leading military aircraft and electronics manufacturers in the US.
He participated as a key member in design, development, production, and Flight-Operational-Test and Evaluation in classified Aircraft development programs, state-of-the-art avionics, including electronic countermeasures, satellite communications, crypto-logical and support equipment.
He claimed that a lot of the triangular UFOs sightings are actually sightings of a super secret USAF craft, called the 'black manta' (TR-3, of which two versions would exist, a TR-3A and a TR-3B, that look completely different. They only use the same technology).
www.pastpresentfuture.info/alien_ufo_secret_fouche_tr3b.html is one article dedicated to the black manta.
He was the author of the (fiction) novel "Alien Rapture," which - while being a work of fiction - is based on his experiences, as well as on the experiences of some of his friends.