Space Expeditions Curacao (SXC), which is marketing flights in the XCOR Lynx, has produced this video of a spaceflight training flight in an Aero Vodochody L-39 Albatross.  The L-39 is a primary jet trainer developed and produced in Czechoslovakia from 1971 to 1999.

[youtube=http://www.youtube.com/watch?v=asgPWZQhYrc&w=700]