experimental military uhf communications satellite
massachusetts institute of technology
tactical satellite communications
tri-service program 591
North American Rockwell Mars Excursion Module (MEM) model found on eBay.
The "hovertank" is a staple of science fiction novels and board games, yet in the real world fans and skirts never seem to have supplanted wheels or tracks. Does anyone have any projects or prototypes to share on proposed land-based hovercraft?