The Gemini V spacecraft returned to Earth, landing in the Atlantic Ocean.
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The Discovery Space Shuttle was launched on the fifth Department of Defense shuttle mission.
NASA launched the Endeavour Space Shuttle on the penultimate space shuttle mission.
Viking I lands on Mars.
NASA's Deep Impact space probe launched from the Cape Canaveral Air Force Station in Florida.
China's space agency launched a classified spacecraft into orbit atop a Long March 2F rocket.
