It’s Happening: TR-3B Is About To Be Declassified? 2019-2020 (Patent included)

patents.google.com/patent/US20060145019

Triangular spacecraft
Abstract
A spacecraft having a triangular hull with vertical electrostatic line charges on each corner that produce a horizontal electric field parallel to the sides of the hull. This field, interacting with a plane wave emitted by antennas on the side of the hull, generates a force per volume combining both lift and propulsion.

 

 

h/t JADR

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