Across
- 2. when two trained people have an argument
- 4. The US's president secure plane
- 5. USA's space agency
- 9. often the presidents home
- 11. the writer of this book
Down
- 1. somthign that is kept secure by one or many people
- 3. someone who controls a country and is no king
- 6. very much money and starts with a B
- 7. The USA's currency
- 8. someone who is trained to kill
- 10. an extraterrestrial spaceship