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| A GT-9 launch cover featuring the "KSC Officials" stamped cachet proof in blue, postmarked at Cape Canaveral with a hand cancel on May 17, 1966. The scheduled mission, however, was subsequently scrubbed because the Agena target vehicle failed to achieve the required orbit after its engine failed to ignite. |
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| Photo: Eugene Cernan and Thomas Stafford engaged in a conversation after their mission was scrubbed on May 17, 1966. |
