This printable crossword puzzle has 16 clues. Answers range from 3 to 10 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Supreme Commander
Defending the Earth
Is it a Submarine, is it a plane?
Gerry and Sylvia
Joan Harrington works here
SID is one of these
The Interceptors are based in these
Not much of this on the Moon
He keeps an eye out for UFOs
Actress Gabrielle, Lunar Commander
SHADO is beneath one
Friend or Foe?
Alec is no prisoner
Unidentified Flying Object
To go round the Earth or Moon
Highest Alert