NASA

NASA (National Aeronautics and Space Administration) was an American organisation dedicated to exploring space. The Doctor had various encounters with NASA.

In 1969, NASA lauunched the shuttle signal that the Doctor would use to hypnotise everyone on earth to kill the silence on sight. (DW: Day of the Moon

In the 1980s, the Eighth Doctor and Debbie Castle stole a NASA space shuttle. (EDA: Father Time)

In 2003, close to the Agent Yellow crisis, Chris Cwej worked for NASA. (NA: Eternity Weeps)

Around 2006 NASA launched a manned mission to Mars, which was encountered by the Doctor and Peri Brown. (BFA: Red Dawn)

In 2008, it confirmed the existance of liquid water on Mars via its Phoenix probe.

In 2010, it also formed part of a teleconference on the Atraxi crisis. (DW: The Eleventh Hour)