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Author: Don Snyder
Publisher: Rand Corporation
ISBN: 0833040448
Category : History
Languages : en
Pages : 77
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Book Description
Outlines criteria for analyzing how sustainment investments affect the operational performance of space systems, focusing on the Global Positioning System; describes a pilot model for such analysis; and examines how model results might be used in policy analysis.
Author: Don Snyder
Publisher: Rand Corporation
ISBN: 0833040448
Category : History
Languages : en
Pages : 77
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Book Description
Outlines criteria for analyzing how sustainment investments affect the operational performance of space systems, focusing on the Global Positioning System; describes a pilot model for such analysis; and examines how model results might be used in policy analysis.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Aging systems and systems operating longer than their anticipated life span, sometimes because of program slips in follow-on systems, have intensi ed the need for understanding how maintenance and sustainment affect the performance of space systems. In this monograph, we develop a pilot framework for analyzing these and related questions in the ground segment of the Global Positioning System and recommend steps for implementing this framework. In doing so, we address the issue of modeling approach and how to define appropriate metrics of performance. We develop the guidelines for metrics and analytic methods as generally as possible so that they will be useful for other space systems. Much of the spirit of the current metrics used to monitor the maintenance of the ground segments of space systems follows that of metrics used for aircraft. But, space systems have some attributes that differ significantly from those of aircraft systems, and these attributes suggest that the metrics for maintenance and sustainment for space systems be reconsidered. From a modeling perspective, the central difference is that space systems are highly integrated systems in near constant operation, not fleets of aircraft, any one of which can perform the specified mission. This difference leads to three challenges for the analyst. First, the logical metric used in the aircraft realm the fraction of the fleet that can perform the stated mission is not applicable in the space realm. Space command systems function as an integrated whole, and the whole must meet operational mission goals at all times. What is needed for space systems is either a measure or measures that reflect the overall system performance, even when the system is operating nominally. The metric should also be sensitive to sustainment perturbations.
Author: Don Snyder
Publisher:
ISBN:
Category :
Languages : en
Pages : 1
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Book Description
This research brief describes an analytic framework for predicting how well a space system will perform its operational mission, given various levels of allocated maintenance resources.
Author: David N. Spires
Publisher:
ISBN:
Category : Astronautics, Military
Languages : en
Pages : 624
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Book Description
Author: Larry J. Schaefer
Publisher:
ISBN:
Category : Artificial satellites
Languages : en
Pages : 70
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Book Description
"The increasing importance of space for U.S. national security requires the nation to protect its interests by sustaining a position of space superiority. The forces of globalization are forcing the United States to move away from its historical stance of maintaining space as a sanctuary toward the concept of using weapons in space. The United States must prepare sufficient "bridges" to make the transition to using weapons in space in view of psychological impediments and treaty obligations, which must be orchestrated to support and protect the current uses of space while preparing for eventual conflict in space. This study examines a framework for organizing U.S. space activities into a coherent national strategy sustained space superiority. It analyzes several dimensions that affect a national strategy for U.S. space superiority, including its military, intelligence, and economic components. This national strategy for space superiority will require strong leadership and public support because this strategy will be expensive and involve a long-term commitment. While the United States enjoys space superiority today, this advantage will be lost if the nation does not take the necessary steps to sustain it." -- Abstract.
Author: Air Force Historical Foundation. Symposium
Publisher: Department of the Air Force
ISBN:
Category : History
Languages : en
Pages : 216
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Book Description
Contains papers presented at the Air Force Historical Foundation Symposium, held at Andrews Air Force Base, Maryland, on September 21-22, 1995. Topics addressed are: Pt. 1, The Formative Years, 1945-1961; Pt. 2, Mission Development and Exploitation Since 1961; and Pt. 3, Military Space Today and Tomorrow. Includes notes, abbreviations & acronyms, an index, and photographs.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309170532
Category : Political Science
Languages : en
Pages : 82
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Book Description
Since the mid-1940s, when Vannevar Bush and Theodore von Karman wrote Science, the Endless Frontier and Toward New Horizons, respectively, there has been a consensus that strong Department of Defense support of science and technology (S&T) is important to the security of the United States. During the Cold War, as it faced technologically capable adversaries whose forces potentially outnumbered U.S. forces, the United States relied on a strong defense S&T program to support the development of technologically superior weapons and systems that would enable it to prevail in the event of conflict. Since the end of the Cold War, the United States has relied on its technological superiority to maintain a military advantage while at the same time reducing the size of its forces. Over the past half-century, creating and maintaining a technologically superior military capability have become fundamental to U.S. national security strategy, and investment in S&T has become a basic component of the defense budget. In late 1998, Congress asked the Secretary of Defense to conduct a study, in cooperation with the National Research Council (NRC), on the S&T base of the U.S. Department of Defense (DoD). Congress was particularly concerned about areas of the S&T program related to air systems, space systems, and supporting information systems. Its concern was based on the Air Force's reduction of its S&T program from the largest of the three military service programs to the smallest. Congress also wanted to ensure that the Air Force maintained an appropriately sized S&T workforce. In late 1999, the Deputy Under Secretary of Defense for Science and Technology asked the NRC to conduct a study to explore these issues.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309215234
Category : Technology & Engineering
Languages : en
Pages : 254
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Book Description
The ability of the United States Air Force (USAF) to keep its aircraft operating at an acceptable operational tempo, in wartime and in peacetime, has been important to the Air Force since its inception. This is a much larger issue for the Air Force today, having effectively been at war for 20 years, with its aircraft becoming increasingly more expensive to operate and maintain and with military budgets certain to further decrease. The enormously complex Air Force weapon system sustainment enterprise is currently constrained on many sides by laws, policies, regulations and procedures, relationships, and organizational issues emanating from Congress, the Department of Defense (DoD), and the Air Force itself. Against the back-drop of these stark realities, the Air Force requested the National Research Council (NRC) of the National Academies, under the auspices of the Air Force Studies Board to conduct and in-depth assessment of current and future Air Force weapon system sustainment initiatives and recommended future courses of action for consideration by the Air Force. Examination of the U.S. Air Force's Aircraft Sustainment Needs in the Future and Its Strategy to Meet Those Needs addresses the following topics: Assess current sustainment investments, infrastructure, and processes for adequacy in sustaining aging legacy systems and their support equipment. Determine if any modifications in policy are required and, if so, identify them and make recommendations for changes in Air Force regulations, policies, and strategies to accomplish the sustainment goals of the Air Force. Determine if any modifications in technology efforts are required and, if so, identify them and make recommendations regarding the technology efforts that should be pursued because they could make positive impacts on the sustainment of the current and future systems and equipment of the Air Force. Determine if the Air Logistics Centers have the necessary resources (funding, manpower, skill sets, and technologies) and are equipped and organized to sustain legacy systems and equipment and the Air Force of tomorrow. Identify and make recommendations regarding incorporating sustainability into future aircraft designs.
Author:
Publisher:
ISBN:
Category : Astronautics and civilization
Languages : en
Pages : 178
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Book Description
The Commission was directed to assess the organization and management of space activities in support of U.S. national security.
Author: Dennis M. Drew
Publisher:
ISBN:
Category : Air power
Languages : en
Pages : 32
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Book Description
