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Author:
Publisher:
ISBN:
Category : Launch vehicles (Astronautics)
Languages : en
Pages : 76
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Book Description
Author:
Publisher:
ISBN:
Category : Launch vehicles (Astronautics)
Languages : en
Pages : 76
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category : Launch vehicles (Astronautics)
Languages : en
Pages : 73
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Book Description
Currently available launch vehicles have the capacity to lift payloads into low earth orbit that weigh up to about 25 metric tons, which is the requirement for almost all of the commercial and governmental payloads expected to be launched into orbit over the next 10 to 15 years. However, the launch vehicles needed to support the return of humans to the moon, which has been called for under the Bush Administration's Vision for Space Exploration, may be required to lift payloads into orbit that weigh in excess of 100 metric tons and, as a result, may constitute a unique demand for launch services. What alternatives might be pursued to develop and procure the type of launch vehicles necessary for conducting manned lunar missions, and how much would those alternatives cost. This Congressional Budget Office (CBO) study-prepared at the request of the Ranking Member of the House Budget Committee-examines those questions. The analysis presents six alternative programs for developing launchers and estimates their costs under the assumption that manned lunar missions will commence in either 2018 or 2020. In keeping with CBO's mandate to provide impartial analysis, the study makes no recommendations.
Author: United States. Congressional Budget Office
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category : Astronautics and civilization
Languages : en
Pages : 36
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309178118
Category : Science
Languages : en
Pages : 157
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Book Description
In January 2004 NASA was given a new policy direction known as the Vision for Space Exploration. That plan, now renamed the United States Space Exploration Policy, called for sending human and robotic missions to the Moon, Mars, and beyond. In 2005 NASA outlined how to conduct the first steps in implementing this policy and began the development of a new human-carrying spacecraft known as Orion, the lunar lander known as Altair, and the launch vehicles Ares I and Ares V. Collectively, these are called the Constellation System. In November 2007 NASA asked the National Research Council (NRC) to evaluate the potential for new science opportunities enabled by the Constellation System of rockets and spacecraft. The NRC committee evaluated a total of 17 mission concepts for future space science missions. Of those, the committee determined that 12 would benefit from the Constellation System and five would not. This book presents the committee's findings and recommendations, including cost estimates, a review of the technical feasibility of each mission, and identification of the missions most deserving of future study.
Author: United States. Congress. Office of Technology Assessment
Publisher: U.S. Government Printing Office
ISBN:
Category : Business & Economics
Languages : en
Pages : 32
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Book Description
Author: United States. Congress. Office of Technology Assessment
Publisher:
ISBN:
Category : Astronautics and state
Languages : en
Pages : 112
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309166128
Category : Science
Languages : en
Pages : 146
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Book Description
The National Aerospace Initiative (NAI) was conceived as a joint effort between the Department of Defense (DOD) and the National Aeronautics and Space Administration (NASA) to sustain the aerospace leadership of the United States through the acceleration of selected aerospace technologies: hypersonic flight, access to space, and space technologies. The Air Force became concerned about the NAI's possible consequences on Air Force programs and budget if NAI program decisions differed from Air Force priorities. To examine this issue, it asked the NRC for an independent review of the NAI. This report presents the results of that assessment. It focuses on three questions asked by the Air Force: is NAI technically feasible in the time frame laid out; is it financially feasible over that period; and is it operationally relevant.
Author:
Publisher: DIANE Publishing
ISBN: 1428921729
Category :
Languages : en
Pages : 90
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Book Description
Author: Michael E. O'Hanlon
Publisher: Cornell University Press
ISBN: 1501754491
Category : Political Science
Languages : en
Pages : 173
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Book Description
In Defense 101, a concise primer for understanding the United States' $700+ billion defense budget and rapidly changing military technologies, Michael O'Hanlon provides a deeply informed yet accessible analysis of American military power. After an introduction in which O'Hanlon surveys today's international security environment, provides a brief sketch of the history of the US military, its command structure, the organization of its three million personnel, and a review of its domestic basing and global reach, Defense 101 provides in-depth coverage of four critical areas in military affairs: • Defense Budgeting and Resource Allocation: detailed budget and cost breakdowns, wartime spending allocations, economics of overseas basing, military readiness, and defense budgeting versus US grand strategy • Gaming and Modeling Combat: wargaming, micro modeling, nuclear exchange calculations, China scenarios, and assessments of counterinsurgency missions • Technological Change and Military Innovation: use of computers, communications, and robotics, cutting-edge developments in projectiles and propulsion systems • The Science of War, military uses of space, missile defense, and nuclear weapons, testing, and proliferation For policy makers and experts, military professionals, students, and citizens alike, Defense 101 helps make sense of the US Department of Defense, the basics of war and the future of armed conflict, and the most important characteristics of the American military.
