![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Black_Arrow.svg/30px-Black_Arrow.svg.png)
- …that to date, Britain has launched only one satellite, Prospero X-3, using a Black Arrow rocket (pictured)?
- …that the crew of the Apollo-Soyuz Test Project Apollo spacecraft nearly died during re-entry due to a nitrogen tetroxide leak?
- …that SpaceShipOne was the first manned spacecraft to be powered by a hybrid rocket motor?