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defense
1.
Solar Vehicles
... 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 ...
2.
Recycling Criticism
... 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 ...
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