The TR-3B Black Manta is linked to decades of black triangle sightings and claims of an advanced propulsion system using ...
The TR-3B Black Manta is framed as a black triangle aircraft surrounded by sightings, denials, and speculation similar to other alleged US black projects. The claimed propulsion relies on pressurized ...
In a follow-up article, Aviation Week went on to claim that Northrop’s TR-3A was about 42 feet long, 14 feet high, and had a wingspan of 60-65 feet, which describes a much smaller aircraft than ...