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| A GT-6 launch cover, postmarked at Cape Canaveral with a hand cancel on December 12, 1965. On December 12, 1965, the Gemini 6 mission failed to launch for the second time when the Titan II rocket encountered a failure. |
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| Photo: The Gemini 6 crew, Walter Schirra and Thomas Stafford, on their way to the launch pad. |
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| Photo: Smoke billows from the base of the Titan II rocket, which carries Gemini 6 on its nose at Cape Kennedy. The engines were shut down shortly after, and the rocket never lifted off from the pad. |
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| Photo: Christopher Kraft, the Gemini flight director, seated at the console in Mission Control, watching the Titan II rocket's failure to launch from the pad on a TV screen. |
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| Photo: Walter Schirra and Thomas Stafford observing the base of the Titan II rocket that failed to function as they exit from the launch pad. |
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| The USS Wasp was the designated recovery ship for the Gemini 6 mission. This cover was mailed from USS Wasp, postmarked with a machine cancel on December 12, 1965. |
