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  • 1
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    Progress Report on the University of Arizona NGST Mirror System Demonstrator (2002)
    In:  Other Sources
    Details
    Publication Date: 2019-07-18
    Description: We will present an update for the University of Arizona NGST (Next Generation Space Telescope) Mirror System Demonstrator (NMSD). The 2-m, f/5 NMSD mirror uses a 2 mm thick glass substrate and an actuated lightweight structure for surface accuracy and support. We will review the mirror's basic design and summarize the fabrication process. We will also discuss the current results from system integration and testing.
    Keywords: Optics
    Type: 2nd Annual Technology Days; May 22, 2002 - May 24, 2002; Huntsville, AL; United States
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Status Report and Lessons Learned from the Univ. of Arizona NMSD (2003)
    In:  Other Sources
    Details
    Publication Date: 2019-07-18
    Description: We will present the latest generation of space mirror technology being developed at the Univ. of Arizona (UA). Unlike conventional monolithic mirrors, the UA mirrors are completely active in their operation. This allows greater flexibility in the mass, volume and performance specifications. The UA mirror design uses a thin flexible substrate for the optical surface and an actuated lightweight structure for surface accuracy and support. We provide an update on the UA NGST Mirror System Demonstrator (NMSD). The 2-m, f/5 NMSD mirror uses a 2 mm thick glass substrate and weighs 86 pounds. We review the mirror's design, discuss the mythology schemes used to actuate the figure, and present a list of the lessons learned.
    Keywords: Optics
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Measuring Army Deployments to Iraq and Afghanistan (2023)
    RAND Corporation
    Details
    Publication Date: 2024-03-29
    Description: Summarizes how many Army personnel have deployed to Iraq and Afghanistan through December 2011.
    Keywords: History ; thema EDItEUR::J Society and Social Sciences::JW Warfare and defence::JWK Military and defence strategy ; thema EDItEUR::N History and Archaeology::NH History::NHW Military history::NHWR Specific wars and campaigns::NHWR9 Military history: post-WW2 conflicts ; thema EDItEUR::N History and Archaeology::NH History::NHW Military history::NHWL Modern warfare
    Language: English
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    E-BOOK
  • 4
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    Satellite Anomalies (2023)
    RAND Corporation
    Details
    Publication Date: 2023-10-05
    Description: Satellite anomalies are mission-degrading events that negatively affect on-orbit operational spacecraft. Maintaining a widely accessible and comprehensive database is one way to build an understanding of what situations are likely to result in satellite anomalies, but no such database exists. This report describes the nature and causes of satellite anomalies, and the potential benefits of a shared and centralized satellite anomaly database.
    Keywords: Technology ; Business ; Political Science ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCS Economic systems & structures ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPS International relations ; bic Book Industry Communication::T Technology, engineering, agriculture::TR Transport technology & trades::TRP Aerospace & aviation technology
    Language: English
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    E-BOOK
  • 5
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    Increasing Flexibility and Agility at the National Reconnaissance Office (2023)
    RAND Corporation
    Details
    Publication Date: 2023-10-05
    Description: To help the National Reconnaissance Office (NRO) become more flexible and agile in an increasingly uncertain world, RAND sought answers to two key questions: Would the NRO benefit from building modular satellites? What lessons might be drawn from how chief executive officers, military personnel, and health care professionals (among others) respond to surprise?
    Keywords: Technology ; Business ; History ; bic Book Industry Communication::K Economics, finance, business & management::KJ Business & management::KJC Business strategy ; bic Book Industry Communication::H Humanities::HB History::HBJ Regional & national history::HBJK History of the Americas ; bic Book Industry Communication::T Technology, engineering, agriculture::TR Transport technology & trades::TRP Aerospace & aviation technology
    Language: English
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    E-BOOK
  • 6
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    Facilitating Information Sharing Across the International Space Community (2023)
    RAND Corporation
    Details
    Publication Date: 2024-03-29
    Description: Space debris is a growing threat that will increasingly affect future space-related missions. The space community would benefit from sharing information, but its members are not always willing to do so. This report examines some of the potential behavioral and psychological barriers that may prevent information sharing and suggests ways the U.S. Air Force might be able to facilitate improved information sharing among space-faring entities.
    Keywords: Technology ; Political Science ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPS International relations ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TR Transport technology and trades::TRP Aerospace and aviation technology
    Language: English
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    E-BOOK
  • 7
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    Surprise! (2023)
    RAND Corporation
    Details
    Publication Date: 2024-03-30
    Description: This report relates what professionals believe creates surprise, how they respond to it, and how the effects of surprise can be mitigated. RAND researchers interviewed representatives from 13 diverse professions and identified some common coping strategies, such as relying on past experience and trying to reduce the level of chaos in the environment.
    Keywords: Management & Organizational Behavior ; Sociology ; Business ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJM Management and management techniques ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJC Business strategy ; thema EDItEUR::J Society and Social Sciences::JB Society and culture: general::JBF Social and ethical issues::JBFF Social impact of disasters / accidents (natural or man-made)
    Language: English
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    E-BOOK
  • 8
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    A Sixty-Year Timeline of the Air Force Maui Optical and Supercomputing Site (2023)
    RAND Corporation
    Details
    Publication Date: 2023-10-05
    Description: This document contains a timeline of key events in the history of the Air Force Maui Optical and Supercomputing Site. Since it was built in the 1950s, the site’s mission, management structure, and operational partners have changed several times to accommodate the contemporary challenges and research tools. This timeline documents some of these historical changes. The timeline is provided in both tabular and printable wall chart formats.
    Keywords: Business ; Technology ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCS Economic systems & structures ; bic Book Industry Communication::U Computing & information technology::UB Information technology: general issues ; bic Book Industry Communication::T Technology, engineering, agriculture::TT Other technologies & applied sciences::TTM Military engineering
    Language: English
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    E-BOOK
  • 9
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    Confronting Space Debris (2023)
    RAND Corporation
    Details
    Publication Date: 2024-04-05
    Description: Orbital space debris represents a growing threat to the operation of man-made systems in space. With the goal of guiding future mitigation or remediation efforts, this monograph examines nine comparable problems that share similarities with orbital debris: acid rain, U.S. commercial airline security, asbestos, chlorofluorocarbons, hazardous waste, oil spills, radon, email spam, and U.S. border control.
    Keywords: Technology ; Physics ; Environmental Science ; thema EDItEUR::P Mathematics and Science::PH Physics::PHV Applied physics::PHVB Astrophysics ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TQ Environmental science, engineering and technology ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TR Transport technology and trades::TRP Aerospace and aviation technology
    Language: English
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    E-BOOK
  • 10
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    Achieving Higher-Fidelity Conjunction Analyses Using Cryptography to Improve Information Sharing (2023)
    RAND Corporation
    Details
    Publication Date: 2024-04-14
    Description: This report examines the feasibility of using modern cryptographic tools to improve space situational awareness. Specifically, the authors examine the applicability of secure multiparty computation (MPC) protocols as a means to compute the collision probability of two satellites. MPC protocols would provide satellite operators with a way to compute such “conjunction analyses” while maintaining the privacy of each operator’s orbital information.
    Keywords: Technology ; thema EDItEUR::U Computing and Information Technology::UD Digital Lifestyle and online world: consumer and user guides ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TR Transport technology and trades::TRP Aerospace and aviation technology ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TT Other technologies and applied sciences::TTM Military engineering
    Language: English
    Format: image/jpeg
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    E-BOOK
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