NASA (National Aeronautics and Space Administration) is an American organisation.
In the 1980s the Eighth Doctor with 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, the Fifth Doctor and Peri encountered that mission. (BFA: Red Dawn)