As low as you can go. Last flight for this fighter pilot. See the people running away as he passes by. May be they made a bet. Most of the crowd looks like pilots.
Got this trailer from their website. It is fascinating what two cheap model turbines can do with a compact sailplane. If I would have one, I would power it that way.
One of the extreme maneuvres that show the agility of the X-31.
The thrust vectoring research results was implemented in many modern fighter aircraft.
I found this Video at the NASA X-31 home page.
Although not very well nown by the public he X-31 is a milestone of modern aviation