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SEPRET The -2 - 3. Explanation of DISCOVERY: The major stated purpose of the DISCOVERY series will be the development of hardware ultimately useable for either military or peaceful scientific purposes. Specifically it will be said to involve the study of stabilization, orbit ejection, recovery techniques, vehicle separation as related to re-entry, and engine-fuel reliability. All of these investigations are necessary for the development of space vehicles and to advance the state of the art in pilotless space operation. Included in the explanation will be the statement that several of the DISCOVERY series are to carry biomedical payloads to test environmental conditions of the upper atmosphere. These flights will be reported as contributing to the joint NASA/ARPA Man-In-Space program. 4. Additional Explanations: a. Patrick Air Force Base is crowded and new facilities will be available at the Pacific Missile Range so launchings will be conducted from the latter location, Range safety considerations make it impossible to launch in an easterly direction and take advantage of the speed of the earth's rotation. To launch in a westerly direction would be to accept too large a speed penalty. Accordingly, it is necessary to accept the 165° - 180° direction of launch which implies a polar orbit. b. The use of polar orbits will have the further advantage of permitting an exercise in the near future of the early warning net established to guard against enemy attack. c. Later launchings will contain equipment to study solar power, infra-red early warning and terminal guidance control, and to conduct model testing of maneuverable space vehicles. SECURITY

Document source description

This memorandum and attachment concern the security of Project Corona, an unmanned satellite surveillance program, and the handling of inquiries by the press.

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0
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78c1607b2a6c87bd
Size
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Document data

ID
12008424
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Type
document
DTO data
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    "contentType": "document",
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Document source extras
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Page context
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    "ocrText": "SEPRET\nThe\n-2 -\n3. Explanation of DISCOVERY: The major stated purpose of the\nDISCOVERY series will be the development of hardware ultimately useable\nfor either military or peaceful scientific purposes. Specifically it will be\nsaid to involve the study of stabilization, orbit ejection, recovery techniques,\nvehicle separation as related to re-entry, and engine-fuel reliability. All\nof these investigations are necessary for the development of space vehicles\nand to advance the state of the art in pilotless space operation. Included\nin the explanation will be the statement that several of the DISCOVERY\nseries are to carry biomedical payloads to test environmental conditions\nof the upper atmosphere. These flights will be reported as contributing to\nthe joint NASA/ARPA Man-In-Space program.\n4. Additional Explanations:\na. Patrick Air Force Base is crowded and new facilities will\nbe available at the Pacific Missile Range so launchings will be\nconducted from the latter location, Range safety considerations\nmake it impossible to launch in an easterly direction and take\nadvantage of the speed of the earth's rotation. To launch in a\nwesterly direction would be to accept too large a speed penalty.\nAccordingly, it is necessary to accept the 165° - 180° direction\nof launch which implies a polar orbit.\nb. The use of polar orbits will have the further advantage of\npermitting an exercise in the near future of the early warning net\nestablished to guard against enemy attack.\nc. Later launchings will contain equipment to study solar\npower, infra-red early warning and terminal guidance control,\nand to conduct model testing of maneuverable space vehicles.\nSECURITY"
}