: A group of Marines, led by Staff Sergeant Michael Nantz (Aaron Eckhart), must rescue civilians and destroy an alien command center in a war-torn Los Angeles .

Directed by Jonathan Liebesman, the film is a "documentary-style" war movie that depicts an alien invasion through the eyes of a U.S. Marine platoon .

: The invaders are bio-mechanical beings that attack coastal cities to harvest Earth's water for fuel . The Real-Life "Battle of Los Angeles"