[Kevmo]

Sure I can do that without your bullshiite plume nonsense. using TODAY’S secret technology and a cool $billion.

So that’s 4 levels of UFO tech observed capability that can be replicated contemporaneous to the times — 1890s, 1940s, 1950s, 2010s.

The origin of these things is secret projects, not aliens from thousands of light years away.

[Gunslingr3]

Sure I can do that without your bullshiite plume nonsense. using TODAY’S secret technology and a cool $billion.

Vectored thrust is heated air. Those plumes show up on FLIR, but as the pilot noted, this vehicle didn't show any plumes.

When you mention "TODAY's secret technology" you're not citing anything but your imagination.

You also didn't explain how you're fueling this thing for hours and hours. Explain.