U.S. History

What is the name of the U.S.'s first successful spy satellite?

More Questions from U.S. History
Lee Harvey Oswald used a rifle to assassinate President John F. Kennedy. Where was that rifle made?
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In 2008, Barack Obama was a prominent member of what political party?
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What is the nickname of the U.S. Army's First Infantry Division?
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How much did Seward's purchase of Alaska cost?
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What did Al Gore serve as in Vietnam?
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What city was Ed Koch mayor of?
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What is the only metropolitan area in the USA whose borders include two national parks?
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How many people worked in the Twin Towers everyday?
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