Witnesses and sonar returns seem to indicate that UFOs can operate underwater, as in the 2004 USS Nimitz incident 5-minute video Mouthy Buddha. (2019a). Into the Unknown (UAP Documentary). YouTube. 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:EmailSubmit Share with your friends: