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... vehicle using helium gas for lift, and thin-film solar cells for power. The United States Department of Defense Missile Defense Agency has contracted Lockheed Martin to construct it to enhance the Ballistic ...
... and become a minuscule addition to the nation''s 150,000 square miles of parkland." Tierney''s article received a referenced critique from the Environmental Defense Fund, which noted that "the article ...
Taxonomy by Zaragoza Online