When Aliens Attack
Synopsis
What if an extra-terrestrial force attacked Earth? What might that look like and how will the people of Earth respond? Consulting a cast of world-renowned scientists, survival experts and defense experts, National Geographic explores this frightening scenario. Experts reveal what could motivate alien invaders to attack Earth, and speculate on how the attack might play out, the strategy alien invaders might use, and the most effective ways for humans to respond.
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Stephen Hawking
Self - Theoretical Physicist (archive footage)
Carin Chea
Laboratory Scientist
James Lurie
Narrator (voice)
Nick Pope
Self - U.K. Ministry of Defense
Neil Strauss
Self - Author, Emergency
Mark Moffett
Self - Author: Adventures Among Ants
Justin Cuomo
Human Resistance Leader (uncredited)
Seth Shostak
Self - SETI Institute
Brian De Toy
Self - Director of Defense Studies, West Point
Elise Cantu
Survivor
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