Board Of Mission's Books

Principal-Investigator-Led Missions in the Space Sciences

By: National Research Council,Division on Engineering and Physical Sciences,Space Studies Board,Committee on Principal-Investigator-Led Missions in the Space Sciences

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Principal-Investigator-Led Missions in the Space Sciences

By: National Research Council,Division on Engineering and Physical Sciences,Space Studies Board,Committee on Principal-Investigator-Led Missions in the Space Sciences

Principal Investigator-Led (PI-led) missions are an important element of NASA's space science enterprise. While several NRC studies have considered aspects of PI-led missions in the course of other studies for NASA, issues facing the PI-led missions in general have not been subject to much analysis in those studies. Nevertheless, these issues are raising increasingly important questions for NASA, and it requested the NRC to explore them as they currently affect PI-led missions. Among the issues NASA asked to have examined were those concerning cost and scheduling, the selection process, relationships among PI-led team members, and opportunities for knowledge transfer to new PIs. This report provides a discussion of the evolution and current status of the PIled mission concept, the ways in which certain practices have affected its performance, and the steps that can carry it successfully into the future. The study was done in collaboration with the National Academy of Public Administration.

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Page Count

132

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National Academies Press

Published Date

ISBN 10

0309100704

ISBN 13

9780309100700

Extending the Effective Lifetimes of Earth Observing Research Missions

By: National Research Council,Division on Engineering and Physical Sciences,Space Studies Board,Committee on Extending the Effective Lifetimes of Earth Observing Research Missions

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Extending the Effective Lifetimes of Earth Observing Research Missions

By: National Research Council,Division on Engineering and Physical Sciences,Space Studies Board,Committee on Extending the Effective Lifetimes of Earth Observing Research Missions

While NASA Earth Science missions are planned on the basis of a specified lifetime, often they are able to function beyond the end of that period. Until recently NASA had no formal mechanism for determining whether those missions should be extended or whether the resources necessary for the extension should be applied to new missions. In August 2004, when NASA merged Earth and space sciences, the agency began using the Science Review process to make those extension determinations. NASA had asked the NRC to assess extension review processes, and after the merger, this study focused on the Science Review process. This report presents an assessment of that process and provides recommendations for adapting it to Earth Science missions.

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National Academies Press

Published Date

ISBN 10

0309182085

ISBN 13

9780309182089

Steps to Facilitate Principal-Investigator-Led Earth Science Missions

By: National Research Council,Division on Engineering and Physical Sciences,Space Studies Board,Committee on Earth Studies

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Steps to Facilitate Principal-Investigator-Led Earth Science Missions

By: National Research Council,Division on Engineering and Physical Sciences,Space Studies Board,Committee on Earth Studies

Principal-investigator (PI) Earth science missions are small, focused science projects involving relatively small spacecraft. The selected PI is responsible for the scientific and programmatic success of the entire project. A particular objective of PI-led missions has been to help develop university-based research capacity. Such missions, however, pose significant challenges that are beyond the capabilities of most universities to manage. To help NASA's Office of Earth Science determine how best to address these, the NRC carried out an assessment of key issues relevant to the success of university-based PI-led Earth observation missions. This report presents the result of that study. In particular, the report provides an analysis of opportunities to enhance such missions and recommendations about whether and, if so, how they should be used to build university-based research capabilities.

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National Academies Press

Published Date

ISBN 10

0309166306

ISBN 13

9780309166300

Assessment of Impediments to Interagency Collaboration on Space and Earth Science Missions

By: National Research Council,Division on Engineering and Physical Sciences,Space Studies Board,Committee on Assessment of Impediments to Interagency Cooperation on Space and Earth Science Missions

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Assessment of Impediments to Interagency Collaboration on Space and Earth Science Missions

By: National Research Council,Division on Engineering and Physical Sciences,Space Studies Board,Committee on Assessment of Impediments to Interagency Cooperation on Space and Earth Science Missions

Through an examination of case studies, agency briefings, and existing reports, and drawing on personal knowledge and direct experience, the Committee on Assessment of Impediments to Interagency Cooperation on Space and Earth Science Missions found that candidate projects for multiagency collaboration in the development and implementation of Earth-observing or space science missions are often intrinsically complex and, therefore costly, and that a multiagency approach to developing these missions typically results in additional complexity and cost. Advocates of collaboration have sometimes underestimated the difficulties and associated costs and risks of dividing responsibility and accountability between two or more partners; they also discount the possibility that collaboration will increase the risk in meeting performance objectives. This committee's principal recommendation is that agencies should conduct Earth and space science projects independently unless: It is judged that cooperation will result in significant added scientific value to the project over what could be achieved by a single agency alone; or Unique capabilities reside within one agency that are necessary for the mission success of a project managed by another agency; or The project is intended to transfer from research to operations necessitating a change in responsibility from one agency to another during the project; or There are other compelling reasons to pursue collaboration, for example, a desire to build capacity at one of the cooperating agencies. Even when the total project cost may increase, parties may still find collaboration attractive if their share of a mission is more affordable than funding it alone. In these cases, alternatives to interdependent reliance on another government agency should be considered. For example, agencies may find that buying services from another agency or pursuing interagency coordination of spaceflight data collection is preferable to fully interdependent cooperation.

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National Academies Press

Published Date

ISBN 10

0309216257

ISBN 13

9780309216258

Controlling Cost Growth of NASA Earth and Space Science Missions

By: National Research Council,Division on Engineering and Physical Sciences,Space Studies Board,Committee on Cost Growth in NASA Earth and Space Science Missions

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Controlling Cost Growth of NASA Earth and Space Science Missions

By: National Research Council,Division on Engineering and Physical Sciences,Space Studies Board,Committee on Cost Growth in NASA Earth and Space Science Missions

Cost and schedule growth is a problem experienced by many types of projects in many fields of endeavor. Based on prior studies of cost growth in NASA and Department of Defense projects, this book identifies specific causes of cost growth associated with NASA Earth and space science missions and provides guidance on how NASA can overcome these specific problems. The recommendations in this book focus on changes in NASA policies that would directly reduce or eliminate the cost growth of Earth and space science missions. Large cost growth is a concern for Earth and space science missions, and it can be a concern for other missions as well. If the cost growth is large enough, it can create liquidity problems for NASA's Science Mission Directorate that in turn cause cost profile changes and development delays that amplify the overall cost growth for other concurrent and/or pending missions. Addressing cost growth through the allocation of artificially high reserves is an inefficient use of resources because it unnecessarily diminishes the portfolio of planned flights. The most efficient use of resources is to establish realistic budgets and reserves and effective management processes that maximize the likelihood that mission costs will not exceed reserves. NASA is already taking action to reduce cost growth; additional steps, as recommended herein, will help improve NASA's mission planning process and achieve the goal of ensuring frequent mission opportunities for NASA Earth and space science.

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National Academies Press

Published Date

ISBN 10

030916219X

ISBN 13

9780309162197

Assessment of Options for Extending the Life of the Hubble Space Telescope

Final Report

By: National Research Council,Division on Engineering and Physical Sciences,Aeronautics and Space Engineering Board,Space Studies Board,Committee on the Assessment of Options for Extending the Life of the Hubble Space Telescope

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Assessment of Options for Extending the Life of the Hubble Space Telescope

Final Report

The Hubble Space Telescope (HST) has operated continuously since 1990. During that time, four space shuttle-based service missions were launched, three of which added major observational capabilities. A fifth â€" SM-4 â€" was intended to replace key telescope systems and install two new instruments. The loss of the space shuttle Columbia, however, resulted in a decision by NASA not to pursue the SM-4 mission leading to a likely end of Hubble's useful life in 2007-2008. This situation resulted in an unprecedented outcry from scientists and the public. As a result, NASA began to explore and develop a robotic servicing mission; and Congress directed NASA to request a study from the National Research Council (NRC) of the robotic and shuttle servicing options for extending the life of Hubble. This report presents an assessment of those two options. It provides an examination of the contributions made by Hubble and those likely as the result of a servicing mission, and a comparative analysis of the potential risk of the two options for servicing Hubble. The study concludes that the Shuttle option would be the most effective one for prolonging Hubble's productive life.

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Page Count

161

Publisher

National Academies Press

Published Date

ISBN 10

0309165458

ISBN 13

9780309165457

Book's by Board Of Mission

Principal-Investigator-Led Missions in the Space Sciences

Principal-Investigator-Led Missions in the Space Sciences

Extending the Effective Lifetimes of Earth Observing Research Missions

Extending the Effective Lifetimes of Earth Observing Research Missions

Steps to Facilitate Principal-Investigator-Led Earth Science Missions

Steps to Facilitate Principal-Investigator-Led Earth Science Missions

Assessment of Impediments to Interagency Collaboration on Space and Earth Science Missions

Assessment of Impediments to Interagency Collaboration on Space and Earth Science Missions

Controlling Cost Growth of NASA Earth and Space Science Missions

Controlling Cost Growth of NASA Earth and Space Science Missions

Assessment of Options for Extending the Life of the Hubble Space Telescope

Assessment of Options for Extending the Life of the Hubble Space Telescope

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