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Steven Perez
US Armed Forces Listened for Messages from Mars - Mars - io9 - http://io9.com/5399835...
November 8, 2009
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"In 1924, Earth saw its closest Mars opposition in over a century, and some thought our Martian neighbors might use the event to attempt contact. So for one night, US Naval and Army stations scanned the skies for extraterrestrial transmissions."
- Steven Perez
from Bookmarklet