A dozen of the best sci-fi movies where armies battle extraterrestrial threats
Aliens (1986)
'The Blob' (1958)
'The Day the Earth Stood Still' (1951)
'Destroy All Monsters' (1968)
'Earth vs. the Flying Saucers' (1956)
'Independence Day' (1996)
'Mars Attacks!' (1996)
'Monsters' (2010)
'Monsters vs. Aliens' (2009)
'Predator' (1987)
'Starship Troopers' (1997)
'The War of the Worlds' (1953)
