Major flight experiments before September 2003
See here for major projects in the field of aeronautics (October 2003 -)
| Flight Experiment | Experiment Period | Mission |
|---|---|---|
| OREX (Ryusei) | 1994 | Experiments using small vehicles to acquire and demonstrate key technologies |
| HYFLEX | 1996 | Changing its trajectory while traveling at hypersonic speed in the upper atmosphere |
| ALFLEX | 1997 | Demonstrations for the automatic landing of a re-entry vehicle |
| HSFD | 2002 - 2003 | A subsonic flight experiment aimed at validating the approach and landing system for the final phase of the return flight of a winged re-entry vehicle. |