Alien Technology: TR-3B and Big Black Deltas
Original title: TR-3B and Big Black Deltas: When the government uses ET technology
The TR-3 Black Manta: a secret U.S. spy plane, using anti-gravity tech from recovered alien triangles.The TR-3 Black Manta: a secret U.S. spy plane, using anti-gravity tech from recovered alien triangles.The TR-3 Black Manta: a secret U.S. spy plane, using anti-gravity tech from recovered alien triangles.