Read the text again, and mark the statements as T (true), F (false) or DS (doesn't say).

1) NASA made a lot of money from its early achievements___ 2) Astronauts first walked on the moon in 1972___ 3 )The ISS constantly travels around the Earth___ 4 )One NASA department protects the planet from alien invasions___ 5) Trips to the ISS launch from Florida____6 )The US space shuttle programme ended due to a lack of money____​