X-15

X-15 was a rocket in possession of UNIT. In 2010 it was located at UNIT Base 5. According to Tia Karim was going to take the Doctor's dead body into space. However it turned out that the Doctor wasn't dead and it was all made up by Tia Karim and the Shansheeth to gain access to the TARDIS. (TV: Death of the Doctor)