Retired command Sergeant Major: NATO knows that aliens are not a threat

Retired Command Sergeant Major Robert O. Dean is one of the most important military whistleblowers regarding government involvement with extraterrestrial. As a retired command Sergeant Major, Robert O. Dean’s history includes forty years of research in the UFO field. He spent twenty-seven years of active duty in the US Army where he retired as Command Sergeant Major after serving as a highly decorated infantry combat veteran. He also served in Intelligence Field Operations and was stationed at Supreme Headquarters Allied Powers Europe (SHAPE), the military arm of NATO. Dean claimed to have viewed a classified government document called “The Assessment”…