Insider claim: “We are very confident that these advanced craft reported by the US Navy are not experimental US aircraft.” 4-minute video History Channel. (2020b). The UFO Cover-Up. Please rate the material for credibility. Your input is totally anonymous.Please enable JavaScript in your browser to complete this form.Was reading or watching this post worthwhile?YesNoHow credible do you find the claims presented in this material?ValidHighly plausibleSomewhat plausibleUnlikelyVery unlikelyAbsurdUse this space for any optional comments:NameSubmit Share with your friends: