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E-book

Title Next generation of human space flight systems / Alfred T. Chesley, editor
Published New York : Nova Science, ©2009

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Description 1 online resource (vi, 144 pages)
Series Space science, exploration and policies series
Space science, exploration and policies series.
Contents NEXT GENERATION OF HUMANSPACE FLIGHT SYSTEMS; NEXT GENERATION OF HUMANSPACE FLIGHT SYSTEMS; CONTENTS; PREFACE; NASA: AGENCY FACES CHALLENGESDEFINING SCOPE AND COSTS OF SPACESHUTTLE TRANSITION AND RETIREMENT*; WHAT GAO FOUND; WHY GAO DID THIS STUDY; WHAT GAO RECOMMENDS; RESULTS IN BRIEF; BACKGROUND; NASA FACES CHALLENGES DEFINING SSP TRANSITIONAND RETIREMENT SCOPE AND COSTS; Lack of Finalized Constellation Program RequirementsContributes to SSP Transition and Retirement Uncertainties
NASA Will Not Complete the TPA Process Until after theAgency's Budget Request for Fiscal Year 2010 Is SubmittedOther Challenges Further Hamper NASA's Efforts; SSP TRANSITION AND RETIREMENT COSTS ARE NOTTRANSPARENT IN NASA'S BUDGET; SSP Budget Line; Cross-Agency Support Appropriation Account; CONCLUSIONS; RECOMMENDATION FOR EXECUTIVE ACTION; AGENCY COMMENTSAND OUR EVALUATION; APPENDIX I: OBJECTIVES, SCOPE, AND METHODOLOGY; APPENDIX II: COMMENTS FROM THE NATIONALAERONAUTICS AND SPACE ADMINISTRATION; REFERENCES; ARES I AND ORION PROJECT RISKS ANDKEY INDICATORS TO MEASURE PROGRESS*; WHAT GAO FOUND
WHY GAO DID THIS STUDYBACKGROUND; REQUIREMENTS SETTING IS A PRIMARY CHALLENGEFOR BOTH THE ARES I AND ORION PROJECTS; TECHNOLOGY AND HARDWARE GAPS ALONG WITHREQUIREMENTS UNCERTAINTY ARE INCREASING RISK; CONSTELLATION COST ESTIMATES ARE PRELIMINARYDUE TO REQUIREMENTS UNCERTAINTY; SCHEDULE PRESSURES ADD ADDITIONALRISKS FOR ARES I AND ORION; Ares I; Orion; TEST FACILITIES FOR ARES I AND ORION INSUFFICIENT; OVERSIGHT BASED ON BEST PRACTICES AND KEYINDICATORS IMPORTANT FOR PROGRAM SUCCESS; Weight Growth; Software Complexity; Indicators that Can be Used to AssessKnowledge Gap at Key Junctures
Preliminary Design ReviewCritical Design Review; Production Review; CONCLUDING OBSERVATIONS; REFERENCES; NASA SUPPLIER BASE: CHALLENGES EXISTIN TRANSITIONING FROM THE SPACESHUTTLE PROGRAM TO THE NEXTGENERATION OF HUMAN SPACEFLIGHT SYSTEMS*; WHAT GAO FOUND; WHY GAO DID THIS STUDY; WHAT GAO RECOMMENDS; ABBREVIATIONS; RESULTS IN BRIEF; BACKGROUND; NASA'S NEW PLANS AND PROCESSES ESTABLISH AFOUNDATION FOR MANAGING TRANSITION, RETIREMENT, AND THE SUPPLIER BASE; New Plans Reflect NASA's Overall Strategyto Manage Transition and Retirement
NASA Has Developed New Decision-MakingProcess to Manage Supplier BaseEFFECTIVENESS OF NASA'S TRANSITION PLANS ANDPROCESSES NOT KNOWN UNTIL CONSTELLATION'SSUPPLIER BASE NEEDS BECOME CLEARER AND MOREDECISIONS HAVE BEEN PROCESSED; Constellation Lacks Detailed Supplier Base Needs Requirements; Increasing Number of Supplier and Capability Decisions to Be Madein Coming Years Could Overwhelm NASA's Processes; OBSOLESCENCE, WORKFORCE ISSUES, AND TRANSITION COST ESTIMATES POSE OTHERCHALLENGES TO NASA'S TRANSITION EFFORTS; Obsolescence; Supplier Viability; Potential Loss of NASA Expertise
Bibliography Includes bibliographical references and index
Notes Print version record
Subject Manned space flight.
Aerospace engineering -- United States
TECHNOLOGY & ENGINEERING -- Aeronautics & Astronautics.
Exploration of outer space
Aerospace engineering
Manned space flight
SUBJECT Outer space -- Exploration -- United States
Subject Outer space
United States
Form Electronic book
Author Chesley, Alfred T
LC no. 2009455861
ISBN 1614703787
9781614703785