Ordnance
发表于 2025-3-27 00:38:31
A New Cast of Charactershe White House and at NASA. The White House framework for making space policy decisions was changed by creating two new structures—the Domestic Council and the Office of Management and Budget—to oversee the development of policy and budget options for presidential decision. This meant that the heads
Insatiable
发表于 2025-3-27 02:58:10
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愉快吗
发表于 2025-3-27 07:42:57
National Security Requirements Drive Shuttle Design it was responding to pressure from the budget office to demonstrate that the combination of the costs of developing and operating the reusable shuttle would, over the period of shuttle use, produce a cost savings over the use of existing or new expendable launch vehicles to launch the same missions
Spinous-Process
发表于 2025-3-27 12:08:07
A Time of Transitions the program of the 1960s to the programs of the 1970s. This was indeed the case, as the budget request formalized canceling two Apollo missions and deferring space station development, and suggested that at least in principle the Nixon administration intended to move forward with a spaceshuttle pro
刺激
发表于 2025-3-27 15:32:16
A Confused Path Forwardtle design that would both fit within the anticipated budget during the 1970s and that NASA’s engineers were confident could be successfully developed. This realization put the space agency in a rather difficult position. A year had been spent studying shuttle designs that turned out to be neither p
健忘症
发表于 2025-3-27 19:22:36
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单挑
发表于 2025-3-28 01:52:45
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微不足道
发表于 2025-3-28 05:30:40
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confide
发表于 2025-3-28 09:04:41
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行业
发表于 2025-3-28 11:04:54
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